#define GFS2_ACL_MAX_ENTRIES(sdp) ((300 << (sdp)->sd_sb.sb_bsize_shift) >> 12)
-extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu);
-extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-extern int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
- struct posix_acl *acl, int type);
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu);
+int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
+int gfs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct posix_acl *acl, int type);
#endif /* __ACL_DOT_H__ */
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
- if (gfs2_assert_withdraw(sdp, gfs2_glock_is_held_excl(ip->i_gl)))
+ if (gfs2_assert_withdraw(sdp, ip->i_gl->gl_state == LM_ST_EXCLUSIVE))
goto out;
if (folio_test_checked(folio) || current->journal_info)
goto out_ignore;
unsigned nrblocks;
int i;
int ret;
- int nr_pages = 0;
+ size_t size = 0;
int nr_folios = folio_batch_count(fbatch);
for (i = 0; i < nr_folios; i++)
- nr_pages += folio_nr_pages(fbatch->folios[i]);
- nrblocks = nr_pages * (PAGE_SIZE >> inode->i_blkbits);
+ size += folio_size(fbatch->folios[i]);
+ nrblocks = size >> inode->i_blkbits;
ret = gfs2_trans_begin(sdp, nrblocks, nrblocks);
if (ret < 0)
}
/**
- * stuffed_readpage - Fill in a Linux page with stuffed file data
+ * stuffed_readpage - Fill in a Linux folio with stuffed file data
* @ip: the inode
- * @page: the page
+ * @folio: the folio
*
* Returns: errno
*/
-static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
+static int stuffed_readpage(struct gfs2_inode *ip, struct folio *folio)
{
struct buffer_head *dibh;
- u64 dsize = i_size_read(&ip->i_inode);
- void *kaddr;
+ size_t i_size = i_size_read(&ip->i_inode);
+ void *data;
int error;
/*
* Due to the order of unstuffing files and ->fault(), we can be
- * asked for a zero page in the case of a stuffed file being extended,
+ * asked for a zero folio in the case of a stuffed file being extended,
* so we need to supply one here. It doesn't happen often.
*/
- if (unlikely(page->index)) {
- zero_user(page, 0, PAGE_SIZE);
- SetPageUptodate(page);
+ if (unlikely(folio->index)) {
+ folio_zero_range(folio, 0, folio_size(folio));
+ folio_mark_uptodate(folio);
return 0;
}
if (error)
return error;
- kaddr = kmap_local_page(page);
- memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
- memset(kaddr + dsize, 0, PAGE_SIZE - dsize);
- kunmap_local(kaddr);
- flush_dcache_page(page);
+ data = dibh->b_data + sizeof(struct gfs2_dinode);
+ memcpy_to_folio(folio, 0, data, i_size);
+ folio_zero_range(folio, i_size, folio_size(folio) - i_size);
brelse(dibh);
- SetPageUptodate(page);
+ folio_mark_uptodate(folio);
return 0;
}
(i_blocksize(inode) == PAGE_SIZE && !folio_buffers(folio))) {
error = iomap_read_folio(folio, &gfs2_iomap_ops);
} else if (gfs2_is_stuffed(ip)) {
- error = stuffed_readpage(ip, &folio->page);
+ error = stuffed_readpage(ip, folio);
folio_unlock(folio);
} else {
error = mpage_read_folio(folio, gfs2_block_map);
*
*/
-int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
- unsigned size)
+ssize_t gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
+ size_t size)
{
struct address_space *mapping = ip->i_inode.i_mapping;
unsigned long index = *pos >> PAGE_SHIFT;
- unsigned offset = *pos & (PAGE_SIZE - 1);
- unsigned copied = 0;
- unsigned amt;
- struct page *page;
+ size_t copied = 0;
do {
- page = read_cache_page(mapping, index, gfs2_read_folio, NULL);
- if (IS_ERR(page)) {
- if (PTR_ERR(page) == -EINTR)
+ size_t offset, chunk;
+ struct folio *folio;
+
+ folio = read_cache_folio(mapping, index, gfs2_read_folio, NULL);
+ if (IS_ERR(folio)) {
+ if (PTR_ERR(folio) == -EINTR)
continue;
- return PTR_ERR(page);
+ return PTR_ERR(folio);
}
- amt = size - copied;
- if (offset + size > PAGE_SIZE)
- amt = PAGE_SIZE - offset;
- memcpy_from_page(buf + copied, page, offset, amt);
- put_page(page);
- copied += amt;
- index++;
- offset = 0;
+ offset = *pos + copied - folio_pos(folio);
+ chunk = min(size - copied, folio_size(folio) - offset);
+ memcpy_from_folio(buf + copied, folio, offset, chunk);
+ index = folio_next_index(folio);
+ folio_put(folio);
+ copied += chunk;
} while(copied < size);
(*pos) += size;
return size;
#include "incore.h"
-extern void adjust_fs_space(struct inode *inode);
-extern void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio,
- size_t from, size_t len);
+void adjust_fs_space(struct inode *inode);
+void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio,
+ size_t from, size_t len);
#endif /* __AOPS_DOT_H__ */
and write it out to disk */
unsigned int n = 1;
- error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
goto out_brelse;
if (isdir) {
}
}
+static inline struct buffer_head *
+metapath_dibh(struct metapath *mp)
+{
+ return mp->mp_bh[0];
+}
+
static int __fillup_metapath(struct gfs2_inode *ip, struct metapath *mp,
unsigned int x, unsigned int h)
{
* gfs2_extent_length - Returns length of an extent of blocks
* @bh: The metadata block
* @ptr: Current position in @bh
- * @limit: Max extent length to return
* @eob: Set to 1 if we hit "end of block"
*
* Returns: The length of the extent (minimum of one block)
*/
-static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, size_t limit, int *eob)
+static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *ptr, int *eob)
{
const __be64 *end = (__be64 *)(bh->b_data + bh->b_size);
const __be64 *first = ptr;
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
- struct buffer_head *dibh = mp->mp_bh[0];
+ struct buffer_head *dibh = metapath_dibh(mp);
u64 bn;
unsigned n, i, blks, alloced = 0, iblks = 0, branch_start = 0;
size_t dblks = iomap->length >> inode->i_blkbits;
i = mp->mp_aheight;
do {
n = blks - alloced;
- ret = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
+ ret = gfs2_alloc_blocks(ip, &bn, &n, 0);
if (ret)
goto out;
alloced += n;
goto do_alloc;
bh = mp->mp_bh[ip->i_height - 1];
- len = gfs2_extent_length(bh, ptr, len, &eob);
+ len = gfs2_extent_length(bh, ptr, &eob);
iomap->addr = be64_to_cpu(*ptr) << inode->i_blkbits;
iomap->length = len << inode->i_blkbits;
extern const struct iomap_ops gfs2_iomap_ops;
extern const struct iomap_writeback_ops gfs2_writeback_ops;
-extern int gfs2_unstuff_dinode(struct gfs2_inode *ip);
-extern int gfs2_block_map(struct inode *inode, sector_t lblock,
- struct buffer_head *bh, int create);
-extern int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
- struct iomap *iomap);
-extern int gfs2_iomap_alloc(struct inode *inode, loff_t pos, loff_t length,
- struct iomap *iomap);
-extern int gfs2_get_extent(struct inode *inode, u64 lblock, u64 *dblock,
- unsigned int *extlen);
-extern int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
- unsigned *extlen, bool *new);
-extern int gfs2_setattr_size(struct inode *inode, u64 size);
-extern int gfs2_truncatei_resume(struct gfs2_inode *ip);
-extern int gfs2_file_dealloc(struct gfs2_inode *ip);
-extern int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
- unsigned int len);
-extern int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd);
-extern void gfs2_free_journal_extents(struct gfs2_jdesc *jd);
-extern int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length);
+int gfs2_unstuff_dinode(struct gfs2_inode *ip);
+int gfs2_block_map(struct inode *inode, sector_t lblock,
+ struct buffer_head *bh, int create);
+int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
+ struct iomap *iomap);
+int gfs2_iomap_alloc(struct inode *inode, loff_t pos, loff_t length,
+ struct iomap *iomap);
+int gfs2_get_extent(struct inode *inode, u64 lblock, u64 *dblock,
+ unsigned int *extlen);
+int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
+ unsigned *extlen, bool *new);
+int gfs2_setattr_size(struct inode *inode, u64 size);
+int gfs2_truncatei_resume(struct gfs2_inode *ip);
+int gfs2_file_dealloc(struct gfs2_inode *ip);
+int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
+ unsigned int len);
+int gfs2_map_journal_extents(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd);
+void gfs2_free_journal_extents(struct gfs2_jdesc *jd);
+int __gfs2_punch_hole(struct file *file, loff_t offset, loff_t length);
#endif /* __BMAP_DOT_H__ */
struct gfs2_dirent *dent;
struct timespec64 tv = current_time(inode);
- error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &bn, &n, 0);
if (error)
return NULL;
bh = gfs2_meta_new(ip->i_gl, bn);
int save_loc;
};
-extern struct inode *gfs2_dir_search(struct inode *dir,
- const struct qstr *filename,
- bool fail_on_exist);
-extern int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
- const struct gfs2_inode *ip);
-extern int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
- const struct gfs2_inode *ip, struct gfs2_diradd *da);
+struct inode *gfs2_dir_search(struct inode *dir,
+ const struct qstr *filename,
+ bool fail_on_exist);
+int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
+ const struct gfs2_inode *ip);
+int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
+ const struct gfs2_inode *ip, struct gfs2_diradd *da);
static inline void gfs2_dir_no_add(struct gfs2_diradd *da)
{
brelse(da->bh);
da->bh = NULL;
}
-extern int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry);
-extern int gfs2_dir_read(struct inode *inode, struct dir_context *ctx,
- struct file_ra_state *f_ra);
-extern int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
- const struct gfs2_inode *nip, unsigned int new_type);
+int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry);
+int gfs2_dir_read(struct inode *inode, struct dir_context *ctx,
+ struct file_ra_state *f_ra);
+int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
+ const struct gfs2_inode *nip, unsigned int new_type);
-extern int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
+int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
-extern int gfs2_diradd_alloc_required(struct inode *dir,
- const struct qstr *filename,
- struct gfs2_diradd *da);
-extern int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
- struct buffer_head **bhp);
-extern void gfs2_dir_hash_inval(struct gfs2_inode *ip);
+int gfs2_diradd_alloc_required(struct inode *dir,
+ const struct qstr *filename,
+ struct gfs2_diradd *da);
+int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
+ struct buffer_head **bhp);
+void gfs2_dir_hash_inval(struct gfs2_inode *ip);
static inline u32 gfs2_disk_hash(const char *data, int len)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
- struct gfs2_alloc_parms ap = { .aflags = 0, };
+ struct gfs2_alloc_parms ap = {};
u64 offset = page_offset(page);
unsigned int data_blocks, ind_blocks, rblocks;
vm_fault_t ret = VM_FAULT_LOCKED;
if (ret)
goto out_unlock;
- ret = file_update_time(file);
- if (ret)
- goto out_unlock;
-
if (iocb->ki_flags & IOCB_DIRECT) {
struct address_space *mapping = file->f_mapping;
ssize_t buffered, ret2;
+ /*
+ * Note that under direct I/O, we don't allow and inode
+ * timestamp updates, so we're not calling file_update_time()
+ * here.
+ */
+
ret = gfs2_file_direct_write(iocb, from, &gh);
if (ret < 0 || !iov_iter_count(from))
goto out_unlock;
if (!ret || ret2 > 0)
ret += ret2;
} else {
+ ret = file_update_time(file);
+ if (ret)
+ goto out_unlock;
+
ret = gfs2_file_buffered_write(iocb, from, &gh);
if (likely(ret > 0))
ret = generic_write_sync(iocb, ret);
struct inode *inode = file_inode(file);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_alloc_parms ap = { .aflags = 0, };
+ struct gfs2_alloc_parms ap = {};
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
loff_t bytes, max_bytes, max_blks;
int error;
return;
}
list_add_tail(&gh->gh_list, insert_pt);
- gh = list_first_entry(&gl->gl_holders, struct gfs2_holder, gh_list);
spin_unlock(&gl->gl_lockref.lock);
if (sdp->sd_lockstruct.ls_ops->lm_cancel)
sdp->sd_lockstruct.ls_ops->lm_cancel(gl);
return gh;
}
-static inline int gfs2_glock_is_held_excl(struct gfs2_glock *gl)
-{
- return gl->gl_state == LM_ST_EXCLUSIVE;
-}
-
-static inline int gfs2_glock_is_held_dfrd(struct gfs2_glock *gl)
-{
- return gl->gl_state == LM_ST_DEFERRED;
-}
-
-static inline int gfs2_glock_is_held_shrd(struct gfs2_glock *gl)
-{
- return gl->gl_state == LM_ST_SHARED;
-}
-
static inline struct address_space *gfs2_glock2aspace(struct gfs2_glock *gl)
{
if (gl->gl_ops->go_flags & GLOF_ASPACE) {
return NULL;
}
-extern int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
- const struct gfs2_glock_operations *glops,
- int create, struct gfs2_glock **glp);
-extern struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl);
-extern void gfs2_glock_put(struct gfs2_glock *gl);
-extern void gfs2_glock_queue_put(struct gfs2_glock *gl);
+int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
+ const struct gfs2_glock_operations *glops,
+ int create, struct gfs2_glock **glp);
+struct gfs2_glock *gfs2_glock_hold(struct gfs2_glock *gl);
+void gfs2_glock_put(struct gfs2_glock *gl);
+void gfs2_glock_queue_put(struct gfs2_glock *gl);
-extern void __gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
- u16 flags, struct gfs2_holder *gh,
- unsigned long ip);
+void __gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
+ u16 flags, struct gfs2_holder *gh,
+ unsigned long ip);
static inline void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state,
u16 flags, struct gfs2_holder *gh) {
__gfs2_holder_init(gl, state, flags, gh, _RET_IP_);
}
-extern void gfs2_holder_reinit(unsigned int state, u16 flags,
- struct gfs2_holder *gh);
-extern void gfs2_holder_uninit(struct gfs2_holder *gh);
-extern int gfs2_glock_nq(struct gfs2_holder *gh);
-extern int gfs2_glock_poll(struct gfs2_holder *gh);
-extern int gfs2_instantiate(struct gfs2_holder *gh);
-extern int gfs2_glock_holder_ready(struct gfs2_holder *gh);
-extern int gfs2_glock_wait(struct gfs2_holder *gh);
-extern int gfs2_glock_async_wait(unsigned int num_gh, struct gfs2_holder *ghs);
-extern void gfs2_glock_dq(struct gfs2_holder *gh);
-extern void gfs2_glock_dq_wait(struct gfs2_holder *gh);
-extern void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
-extern int gfs2_glock_nq_num(struct gfs2_sbd *sdp, u64 number,
- const struct gfs2_glock_operations *glops,
- unsigned int state, u16 flags,
- struct gfs2_holder *gh);
-extern int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
-extern void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
-extern void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl,
+void gfs2_holder_reinit(unsigned int state, u16 flags,
+ struct gfs2_holder *gh);
+void gfs2_holder_uninit(struct gfs2_holder *gh);
+int gfs2_glock_nq(struct gfs2_holder *gh);
+int gfs2_glock_poll(struct gfs2_holder *gh);
+int gfs2_instantiate(struct gfs2_holder *gh);
+int gfs2_glock_holder_ready(struct gfs2_holder *gh);
+int gfs2_glock_wait(struct gfs2_holder *gh);
+int gfs2_glock_async_wait(unsigned int num_gh, struct gfs2_holder *ghs);
+void gfs2_glock_dq(struct gfs2_holder *gh);
+void gfs2_glock_dq_wait(struct gfs2_holder *gh);
+void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
+int gfs2_glock_nq_num(struct gfs2_sbd *sdp, u64 number,
+ const struct gfs2_glock_operations *glops,
+ unsigned int state, u16 flags,
+ struct gfs2_holder *gh);
+int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
+void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
+void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl,
bool fsid);
#define GLOCK_BUG_ON(gl,x) do { if (unlikely(x)) { \
gfs2_dump_glock(NULL, gl, true); \
gfs2_assert_withdraw((gl)->gl_name.ln_sbd, (x)); } } \
while (0)
-extern __printf(2, 3)
+__printf(2, 3)
void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...);
/**
return error;
}
-extern void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state);
-extern void gfs2_glock_complete(struct gfs2_glock *gl, int ret);
-extern bool gfs2_queue_try_to_evict(struct gfs2_glock *gl);
-extern void gfs2_cancel_delete_work(struct gfs2_glock *gl);
-extern void gfs2_flush_delete_work(struct gfs2_sbd *sdp);
-extern void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
-extern void gfs2_gl_dq_holders(struct gfs2_sbd *sdp);
-extern void gfs2_glock_thaw(struct gfs2_sbd *sdp);
-extern void gfs2_glock_add_to_lru(struct gfs2_glock *gl);
-extern void gfs2_glock_free(struct gfs2_glock *gl);
+void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state);
+void gfs2_glock_complete(struct gfs2_glock *gl, int ret);
+bool gfs2_queue_try_to_evict(struct gfs2_glock *gl);
+void gfs2_cancel_delete_work(struct gfs2_glock *gl);
+void gfs2_flush_delete_work(struct gfs2_sbd *sdp);
+void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
+void gfs2_gl_dq_holders(struct gfs2_sbd *sdp);
+void gfs2_glock_thaw(struct gfs2_sbd *sdp);
+void gfs2_glock_add_to_lru(struct gfs2_glock *gl);
+void gfs2_glock_free(struct gfs2_glock *gl);
-extern int __init gfs2_glock_init(void);
-extern void gfs2_glock_exit(void);
+int __init gfs2_glock_init(void);
+void gfs2_glock_exit(void);
-extern void gfs2_create_debugfs_file(struct gfs2_sbd *sdp);
-extern void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp);
-extern void gfs2_register_debugfs(void);
-extern void gfs2_unregister_debugfs(void);
+void gfs2_create_debugfs_file(struct gfs2_sbd *sdp);
+void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp);
+void gfs2_register_debugfs(void);
+void gfs2_unregister_debugfs(void);
-extern void glock_set_object(struct gfs2_glock *gl, void *object);
-extern void glock_clear_object(struct gfs2_glock *gl, void *object);
+void glock_set_object(struct gfs2_glock *gl, void *object);
+void glock_clear_object(struct gfs2_glock *gl, void *object);
extern const struct lm_lockops gfs2_dlm_ops;
return !list_empty(&gh->gh_list);
}
-extern void gfs2_inode_remember_delete(struct gfs2_glock *gl, u64 generation);
-extern bool gfs2_inode_already_deleted(struct gfs2_glock *gl, u64 generation);
+void gfs2_inode_remember_delete(struct gfs2_glock *gl, u64 generation);
+bool gfs2_inode_already_deleted(struct gfs2_glock *gl, u64 generation);
#endif /* __GLOCK_DOT_H__ */
return 0;
}
-/**
- * freeze_go_demote_ok
- * @gl: the glock
- *
- * Always returns 0
- */
-
-static int freeze_go_demote_ok(const struct gfs2_glock *gl)
-{
- return 0;
-}
-
/**
* iopen_go_callback - schedule the dcache entry for the inode to be deleted
* @gl: the glock
const struct gfs2_glock_operations gfs2_freeze_glops = {
.go_xmote_bh = freeze_go_xmote_bh,
- .go_demote_ok = freeze_go_demote_ok,
.go_callback = freeze_go_callback,
.go_type = LM_TYPE_NONDISK,
.go_flags = GLOF_NONDISK,
extern const struct gfs2_glock_operations gfs2_journal_glops;
extern const struct gfs2_glock_operations *gfs2_glops_list[];
-extern int gfs2_inode_metasync(struct gfs2_glock *gl);
-extern void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync);
+int gfs2_inode_metasync(struct gfs2_glock *gl);
+void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync);
#endif /* __GLOPS_DOT_H__ */
preempt_enable();
}
-extern struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl);
+struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl);
static inline unsigned gfs2_max_stuffed_size(const struct gfs2_inode *ip)
{
}
-struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)
+/**
+ * gfs2_lookup_meta - Look up an inode in a metadata directory
+ * @dip: The directory
+ * @name: The name of the inode
+ */
+struct inode *gfs2_lookup_meta(struct inode *dip, const char *name)
{
struct qstr qstr;
struct inode *inode;
+
gfs2_str2qstr(&qstr, name);
inode = gfs2_lookupi(dip, &qstr, 1);
- /* gfs2_lookupi has inconsistent callers: vfs
- * related routines expect NULL for no entry found,
- * gfs2_lookup_simple callers expect ENOENT
- * and do not check for NULL.
- */
if (IS_ERR_OR_NULL(inode))
return inode ? inode : ERR_PTR(-ENOENT);
if (error)
goto out_ipreserv;
- error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1, &ip->i_generation);
+ error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1);
if (error)
goto out_trans_end;
int gfs2_permission(struct mnt_idmap *idmap, struct inode *inode,
int mask)
{
+ int may_not_block = mask & MAY_NOT_BLOCK;
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
+ struct gfs2_glock *gl;
int error;
gfs2_holder_mark_uninitialized(&i_gh);
ip = GFS2_I(inode);
- if (gfs2_glock_is_locked_by_me(ip->i_gl) == NULL) {
- if (mask & MAY_NOT_BLOCK)
+ gl = rcu_dereference_check(ip->i_gl, !may_not_block);
+ if (unlikely(!gl)) {
+ /* inode is getting torn down, must be RCU mode */
+ WARN_ON_ONCE(!may_not_block);
+ return -ECHILD;
+ }
+ if (gfs2_glock_is_locked_by_me(gl) == NULL) {
+ if (may_not_block)
return -ECHILD;
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
+ error = gfs2_glock_nq_init(gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
if (error)
return error;
}
kuid_t ouid, nuid;
kgid_t ogid, ngid;
int error;
- struct gfs2_alloc_parms ap;
+ struct gfs2_alloc_parms ap = {};
ouid = inode->i_uid;
ogid = inode->i_gid;
int error;
gh = gfs2_glock_is_locked_by_me(gl);
- if (gh && !gfs2_glock_is_held_excl(gl)) {
+ if (gh && gl->gl_state != LM_ST_EXCLUSIVE) {
gfs2_glock_dq(gh);
gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, gh);
error = gfs2_glock_nq(gh);
#include "util.h"
bool gfs2_release_folio(struct folio *folio, gfp_t gfp_mask);
-extern int gfs2_internal_read(struct gfs2_inode *ip,
- char *buf, loff_t *pos, unsigned size);
-extern void gfs2_set_aops(struct inode *inode);
+ssize_t gfs2_internal_read(struct gfs2_inode *ip,
+ char *buf, loff_t *pos, size_t size);
+void gfs2_set_aops(struct inode *inode);
static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
{
static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
{
- inode->i_blocks = blocks <<
- (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
+ inode->i_blocks = blocks << (inode->i_blkbits - 9);
}
static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
{
- return inode->i_blocks >>
- (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
+ return inode->i_blocks >> (inode->i_blkbits - 9);
}
static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
{
- change <<= inode->i_blkbits - GFS2_BASIC_BLOCK_SHIFT;
+ change <<= inode->i_blkbits - 9;
gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks >= -change));
inode->i_blocks += change;
}
return -EIO;
}
-extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
- u64 no_addr, u64 no_formal_ino,
- unsigned int blktype);
-extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
- u64 no_formal_ino,
- unsigned int blktype);
-
-extern int gfs2_inode_refresh(struct gfs2_inode *ip);
-
-extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
- int is_root);
-extern int gfs2_permission(struct mnt_idmap *idmap,
- struct inode *inode, int mask);
-extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
-extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
-extern int gfs2_open_common(struct inode *inode, struct file *file);
-extern loff_t gfs2_seek_data(struct file *file, loff_t offset);
-extern loff_t gfs2_seek_hole(struct file *file, loff_t offset);
+struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
+ u64 no_addr, u64 no_formal_ino,
+ unsigned int blktype);
+struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
+ u64 no_formal_ino,
+ unsigned int blktype);
+
+int gfs2_inode_refresh(struct gfs2_inode *ip);
+
+struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
+ int is_root);
+int gfs2_permission(struct mnt_idmap *idmap,
+ struct inode *inode, int mask);
+struct inode *gfs2_lookup_meta(struct inode *dip, const char *name);
+void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
+int gfs2_open_common(struct inode *inode, struct file *file);
+loff_t gfs2_seek_data(struct file *file, loff_t offset);
+loff_t gfs2_seek_hole(struct file *file, loff_t offset);
extern const struct file_operations gfs2_file_fops_nolock;
extern const struct file_operations gfs2_dir_fops_nolock;
-extern int gfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
-extern int gfs2_fileattr_set(struct mnt_idmap *idmap,
- struct dentry *dentry, struct fileattr *fa);
-extern void gfs2_set_inode_flags(struct inode *inode);
-
+int gfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int gfs2_fileattr_set(struct mnt_idmap *idmap,
+ struct dentry *dentry, struct fileattr *fa);
+void gfs2_set_inode_flags(struct inode *inode);
+
#ifdef CONFIG_GFS2_FS_LOCKING_DLM
extern const struct file_operations gfs2_file_fops;
extern const struct file_operations gfs2_dir_fops;
}
}
-extern void gfs2_ordered_del_inode(struct gfs2_inode *ip);
-extern unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
-extern void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
-extern bool gfs2_log_is_empty(struct gfs2_sbd *sdp);
-extern void gfs2_log_release_revokes(struct gfs2_sbd *sdp, unsigned int revokes);
-extern void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
-extern bool gfs2_log_try_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
- unsigned int *extra_revokes);
-extern void gfs2_log_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
- unsigned int *extra_revokes);
-extern void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
- u64 seq, u32 tail, u32 lblock, u32 flags,
- blk_opf_t op_flags);
-extern void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
- u32 type);
-extern void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
-extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
-extern void log_flush_wait(struct gfs2_sbd *sdp);
+void gfs2_ordered_del_inode(struct gfs2_inode *ip);
+unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct);
+void gfs2_remove_from_ail(struct gfs2_bufdata *bd);
+bool gfs2_log_is_empty(struct gfs2_sbd *sdp);
+void gfs2_log_release_revokes(struct gfs2_sbd *sdp, unsigned int revokes);
+void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks);
+bool gfs2_log_try_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
+ unsigned int *extra_revokes);
+void gfs2_log_reserve(struct gfs2_sbd *sdp, struct gfs2_trans *tr,
+ unsigned int *extra_revokes);
+void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ u64 seq, u32 tail, u32 lblock, u32 flags,
+ blk_opf_t op_flags);
+void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
+ u32 type);
+void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans);
+void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc);
+void log_flush_wait(struct gfs2_sbd *sdp);
-extern int gfs2_logd(void *data);
-extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
-extern void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
-extern void gfs2_flush_revokes(struct gfs2_sbd *sdp);
-extern void gfs2_ail_drain(struct gfs2_sbd *sdp);
+int gfs2_logd(void *data);
+void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
+void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
+void gfs2_flush_revokes(struct gfs2_sbd *sdp);
+void gfs2_ail_drain(struct gfs2_sbd *sdp);
#endif /* __LOG_DOT_H__ */
#include "incore.h"
extern const struct gfs2_log_operations *gfs2_log_ops[];
-extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
-extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
-extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
- struct page *page, unsigned size, unsigned offset,
- u64 blkno);
-extern void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf);
-extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
-extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
- struct gfs2_log_header_host *head, bool keep_cache);
-extern void gfs2_drain_revokes(struct gfs2_sbd *sdp);
+
+void gfs2_log_incr_head(struct gfs2_sbd *sdp);
+u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
+void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ struct page *page, unsigned size, unsigned offset,
+ u64 blkno);
+void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf);
+void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
+int gfs2_find_jhead(struct gfs2_jdesc *jd,
+ struct gfs2_log_header_host *head, bool keep_cache);
+void gfs2_drain_revokes(struct gfs2_sbd *sdp);
+
static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
{
return sdp->sd_ldptrs;
return inode->i_sb->s_fs_info;
}
-extern struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
-extern int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
- int rahead, struct buffer_head **bhp);
-extern int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
-extern struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
- int create);
+struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno);
+int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
+ int rahead, struct buffer_head **bhp);
+int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
+struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
+ int create);
enum {
REMOVE_JDATA = 0,
REMOVE_META = 1,
};
-extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
-extern void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
-extern int gfs2_meta_buffer(struct gfs2_inode *ip, u32 mtype, u64 num,
- struct buffer_head **bhp);
+void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
+void gfs2_journal_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
+int gfs2_meta_buffer(struct gfs2_inode *ip, u32 mtype, u64 num,
+ struct buffer_head **bhp);
static inline int gfs2_meta_inode_buffer(struct gfs2_inode *ip,
struct buffer_head **bhp)
return error;
}
- sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift -
- GFS2_BASIC_BLOCK_SHIFT;
+ sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - 9;
sdp->sd_fsb2bb = BIT(sdp->sd_fsb2bb_shift);
sdp->sd_diptrs = (sdp->sd_sb.sb_bsize -
sizeof(struct gfs2_dinode)) / sizeof(u64);
struct gfs2_jdesc *jd;
struct gfs2_inode *ip;
- sdp->sd_statfs_inode = gfs2_lookup_simple(master, "statfs");
+ sdp->sd_statfs_inode = gfs2_lookup_meta(master, "statfs");
if (IS_ERR(sdp->sd_statfs_inode)) {
error = PTR_ERR(sdp->sd_statfs_inode);
fs_err(sdp, "can't read in statfs inode: %d\n", error);
if (sdp->sd_args.ar_spectator)
goto out;
- pn = gfs2_lookup_simple(master, "per_node");
+ pn = gfs2_lookup_meta(master, "per_node");
if (IS_ERR(pn)) {
error = PTR_ERR(pn);
fs_err(sdp, "can't find per_node directory: %d\n", error);
goto free_local;
}
sprintf(buf, "statfs_change%u", jd->jd_jid);
- lsi->si_sc_inode = gfs2_lookup_simple(pn, buf);
+ lsi->si_sc_inode = gfs2_lookup_meta(pn, buf);
if (IS_ERR(lsi->si_sc_inode)) {
error = PTR_ERR(lsi->si_sc_inode);
fs_err(sdp, "can't find local \"sc\" file#%u: %d\n",
if (undo)
goto fail_statfs;
- sdp->sd_jindex = gfs2_lookup_simple(master, "jindex");
+ sdp->sd_jindex = gfs2_lookup_meta(master, "jindex");
if (IS_ERR(sdp->sd_jindex)) {
fs_err(sdp, "can't lookup journal index: %d\n", error);
return PTR_ERR(sdp->sd_jindex);
goto fail;
/* Read in the resource index inode */
- sdp->sd_rindex = gfs2_lookup_simple(master, "rindex");
+ sdp->sd_rindex = gfs2_lookup_meta(master, "rindex");
if (IS_ERR(sdp->sd_rindex)) {
error = PTR_ERR(sdp->sd_rindex);
fs_err(sdp, "can't get resource index inode: %d\n", error);
sdp->sd_rindex_uptodate = 0;
/* Read in the quota inode */
- sdp->sd_quota_inode = gfs2_lookup_simple(master, "quota");
+ sdp->sd_quota_inode = gfs2_lookup_meta(master, "quota");
if (IS_ERR(sdp->sd_quota_inode)) {
error = PTR_ERR(sdp->sd_quota_inode);
fs_err(sdp, "can't get quota file inode: %d\n", error);
if (undo)
goto fail_qc_gh;
- pn = gfs2_lookup_simple(master, "per_node");
+ pn = gfs2_lookup_meta(master, "per_node");
if (IS_ERR(pn)) {
error = PTR_ERR(pn);
fs_err(sdp, "can't find per_node directory: %d\n", error);
}
sprintf(buf, "quota_change%u", sdp->sd_jdesc->jd_jid);
- sdp->sd_qc_inode = gfs2_lookup_simple(pn, buf);
+ sdp->sd_qc_inode = gfs2_lookup_meta(pn, buf);
if (IS_ERR(sdp->sd_qc_inode)) {
error = PTR_ERR(sdp->sd_qc_inode);
fs_err(sdp, "can't find local \"qc\" file: %d\n", error);
/* Set up the buffer cache and fill in some fake block size values
to allow us to read-in the on-disk superblock. */
- sdp->sd_sb.sb_bsize = sb_min_blocksize(sb, GFS2_BASIC_BLOCK);
+ sdp->sd_sb.sb_bsize = sb_min_blocksize(sb, 512);
sdp->sd_sb.sb_bsize_shift = sb->s_blocksize_bits;
- sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift -
- GFS2_BASIC_BLOCK_SHIFT;
+ sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - 9;
sdp->sd_fsb2bb = BIT(sdp->sd_fsb2bb_shift);
sdp->sd_tune.gt_logd_secs = sdp->sd_args.ar_commit;
if (!sb_rdonly(sb)) {
error = init_threads(sdp);
- if (error) {
- gfs2_withdraw_delayed(sdp);
+ if (error)
goto fail_per_node;
- }
}
error = gfs2_freeze_lock_shared(sdp);
(sync_gen && (qd->qd_sync_gen >= *sync_gen)))
return 0;
+ /*
+ * If qd_change is 0 it means a pending quota change was negated.
+ * We should not sync it, but we still have a qd reference and slot
+ * reference taken by gfs2_quota_change -> do_qc that need to be put.
+ */
+ if (!qd->qd_change && test_and_clear_bit(QDF_CHANGE, &qd->qd_flags)) {
+ slot_put(qd);
+ qd_put(qd);
+ return 0;
+ }
+
if (!lockref_get_not_dead(&qd->qd_lockref))
return 0;
{
struct gfs2_sbd *sdp = (*qda)->qd_sbd;
struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
- struct gfs2_alloc_parms ap = { .aflags = 0, };
+ struct gfs2_alloc_parms ap = {};
unsigned int data_blocks, ind_blocks;
struct gfs2_holder *ghs, i_gh;
unsigned int qx, x;
u32 x;
int error;
- if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
- sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
+ if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
error = gfs2_quota_hold(ip, uid, gid);
#define MAX_LINE 256
-static int print_message(struct gfs2_quota_data *qd, char *type)
+static void print_message(struct gfs2_quota_data *qd, char *type)
{
struct gfs2_sbd *sdp = qd->qd_sbd;
- if (sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
+ if (sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET) {
fs_info(sdp, "quota %s for %s %u\n",
type,
(qd->qd_id.type == USRQUOTA) ? "user" : "group",
from_kqid(&init_user_ns, qd->qd_id));
-
- return 0;
+ }
}
/**
* HZ)) {
quota_send_warning(qd->qd_id,
sdp->sd_vfs->s_dev, QUOTA_NL_BSOFTWARN);
- error = print_message(qd, "warning");
+ print_message(qd, "warning");
+ error = 0;
qd->qd_last_warn = jiffies;
}
}
u32 x;
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- if ((sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
- sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET) ||
+ if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF ||
gfs2_assert_warn(sdp, change))
return;
if (ip->i_diskflags & GFS2_DIF_SYSTEM)
if (gfs2_is_stuffed(ip))
alloc_required = 1;
if (alloc_required) {
- struct gfs2_alloc_parms ap = { .aflags = 0, };
+ struct gfs2_alloc_parms ap = {};
gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota),
&data_blocks, &ind_blocks);
blocks = 1 + data_blocks + ind_blocks;
#define NO_UID_QUOTA_CHANGE INVALID_UID
#define NO_GID_QUOTA_CHANGE INVALID_GID
-extern int gfs2_qa_get(struct gfs2_inode *ip);
-extern void gfs2_qa_put(struct gfs2_inode *ip);
-extern int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
-extern void gfs2_quota_unhold(struct gfs2_inode *ip);
+int gfs2_qa_get(struct gfs2_inode *ip);
+void gfs2_qa_put(struct gfs2_inode *ip);
+int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
+void gfs2_quota_unhold(struct gfs2_inode *ip);
-extern int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
-extern void gfs2_quota_unlock(struct gfs2_inode *ip);
+int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid);
+void gfs2_quota_unlock(struct gfs2_inode *ip);
-extern int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
- struct gfs2_alloc_parms *ap);
-extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
- kuid_t uid, kgid_t gid);
+int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
+ struct gfs2_alloc_parms *ap);
+void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+ kuid_t uid, kgid_t gid);
-extern int gfs2_quota_sync(struct super_block *sb, int type);
-extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
+int gfs2_quota_sync(struct super_block *sb, int type);
+int gfs2_quota_refresh(struct gfs2_sbd *sdp, struct kqid qid);
-extern int gfs2_quota_init(struct gfs2_sbd *sdp);
-extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
-extern int gfs2_quotad(void *data);
+int gfs2_quota_init(struct gfs2_sbd *sdp);
+void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+int gfs2_quotad(void *data);
-extern void gfs2_wake_up_statfs(struct gfs2_sbd *sdp);
+void gfs2_wake_up_statfs(struct gfs2_sbd *sdp);
static inline int gfs2_quota_lock_check(struct gfs2_inode *ip,
struct gfs2_alloc_parms *ap)
ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
if (ret)
return ret;
- if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON &&
- sdp->sd_args.ar_quota != GFS2_QUOTA_QUIET)
+ if (sdp->sd_args.ar_quota == GFS2_QUOTA_ACCOUNT)
return 0;
ret = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid, ap);
if (ret)
int __init gfs2_qd_shrinker_init(void);
void gfs2_qd_shrinker_exit(void);
extern struct list_lru gfs2_qd_lru;
-extern void __init gfs2_quota_hash_init(void);
+
+void __init gfs2_quota_hash_init(void);
#endif /* __QUOTA_DOT_H__ */
*blk = 0;
}
-extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
+int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
struct buffer_head **bh);
-extern int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
-extern int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
-extern void gfs2_revoke_clean(struct gfs2_jdesc *jd);
+int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
+int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where);
+void gfs2_revoke_clean(struct gfs2_jdesc *jd);
-extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
-extern void gfs2_recover_func(struct work_struct *work);
-extern int __get_log_header(struct gfs2_sbd *sdp,
- const struct gfs2_log_header *lh, unsigned int blkno,
- struct gfs2_log_header_host *head);
+int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait);
+void gfs2_recover_func(struct work_struct *work);
+int __get_log_header(struct gfs2_sbd *sdp,
+ const struct gfs2_log_header *lh, unsigned int blkno,
+ struct gfs2_log_header_host *head);
#endif /* __RECOVERY_DOT_H__ */
* @bn: Used to return the starting block number
* @nblocks: requested number of blocks/extent length (value/result)
* @dinode: 1 if we're allocating a dinode block, else 0
- * @generation: the generation number of the inode
*
* Returns: 0 or error
*/
int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
- bool dinode, u64 *generation)
+ bool dinode)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct buffer_head *dibh;
rbm.rgd->rd_free -= *nblocks;
spin_unlock(&rbm.rgd->rd_rsspin);
if (dinode) {
+ u64 generation;
+
rbm.rgd->rd_dinodes++;
- *generation = rbm.rgd->rd_igeneration++;
- if (*generation == 0)
- *generation = rbm.rgd->rd_igeneration++;
+ generation = rbm.rgd->rd_igeneration++;
+ if (generation == 0)
+ generation = rbm.rgd->rd_igeneration++;
+ ip->i_generation = generation;
}
gfs2_trans_add_meta(rbm.rgd->rd_gl, rbm.rgd->rd_bits[0].bi_bh);
struct gfs2_sbd;
struct gfs2_holder;
-extern void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
+void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
-extern struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
-extern struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
-extern struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
+struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk, bool exact);
+struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
+struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
-extern void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
-extern int gfs2_rindex_update(struct gfs2_sbd *sdp);
-extern void gfs2_free_clones(struct gfs2_rgrpd *rgd);
-extern int gfs2_rgrp_go_instantiate(struct gfs2_glock *gl);
-extern void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd);
+void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
+int gfs2_rindex_update(struct gfs2_sbd *sdp);
+void gfs2_free_clones(struct gfs2_rgrpd *rgd);
+int gfs2_rgrp_go_instantiate(struct gfs2_glock *gl);
+void gfs2_rgrp_brelse(struct gfs2_rgrpd *rgd);
-extern struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
+struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
#define GFS2_AF_ORLOV 1
-extern int gfs2_inplace_reserve(struct gfs2_inode *ip,
- struct gfs2_alloc_parms *ap);
-extern void gfs2_inplace_release(struct gfs2_inode *ip);
-
-extern int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
- bool dinode, u64 *generation);
-
-extern void gfs2_rs_deltree(struct gfs2_blkreserv *rs);
-extern void gfs2_rs_delete(struct gfs2_inode *ip);
-extern void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
- u64 bstart, u32 blen, int meta);
-extern void gfs2_free_meta(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
- u64 bstart, u32 blen);
-extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
-extern void gfs2_unlink_di(struct inode *inode);
-extern int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
- unsigned int type);
+int gfs2_inplace_reserve(struct gfs2_inode *ip,
+ struct gfs2_alloc_parms *ap);
+void gfs2_inplace_release(struct gfs2_inode *ip);
+
+int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *n,
+ bool dinode);
+
+void gfs2_rs_deltree(struct gfs2_blkreserv *rs);
+void gfs2_rs_delete(struct gfs2_inode *ip);
+void __gfs2_free_blocks(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
+ u64 bstart, u32 blen, int meta);
+void gfs2_free_meta(struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
+ u64 bstart, u32 blen);
+void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
+void gfs2_unlink_di(struct inode *inode);
+int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr,
+ unsigned int type);
struct gfs2_rgrp_list {
unsigned int rl_rgrps;
struct gfs2_holder *rl_ghs;
};
-extern void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
- u64 block);
-extern void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist,
- unsigned int state, u16 flags);
-extern void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
-extern u64 gfs2_ri_total(struct gfs2_sbd *sdp);
-extern void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd,
- const char *fs_id_buf);
-extern int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
- struct buffer_head *bh,
- const struct gfs2_bitmap *bi, unsigned minlen, u64 *ptrimmed);
-extern int gfs2_fitrim(struct file *filp, void __user *argp);
+void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
+ u64 block);
+void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist,
+ unsigned int state, u16 flags);
+void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
+u64 gfs2_ri_total(struct gfs2_sbd *sdp);
+void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd,
+ const char *fs_id_buf);
+int gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
+ struct buffer_head *bh,
+ const struct gfs2_bitmap *bi, unsigned minlen,
+ u64 *ptrimmed);
+int gfs2_fitrim(struct file *filp, void __user *argp);
/* This is how to tell if a reservation is in the rgrp tree: */
static inline bool gfs2_rs_active(const struct gfs2_blkreserv *rs)
return first <= block && block < last;
}
-extern void check_and_update_goal(struct gfs2_inode *ip);
+void check_and_update_goal(struct gfs2_inode *ip);
-extern void rgrp_lock_local(struct gfs2_rgrpd *rgd);
-extern void rgrp_unlock_local(struct gfs2_rgrpd *rgd);
+void rgrp_lock_local(struct gfs2_rgrpd *rgd);
+void rgrp_unlock_local(struct gfs2_rgrpd *rgd);
#endif /* __RGRP_DOT_H__ */
}
spin_unlock(&sdp->sd_jindex_spin);
- if (!sb_rdonly(sb)) {
+ if (!sb_rdonly(sb))
gfs2_make_fs_ro(sdp);
- }
- if (gfs2_withdrawn(sdp)) {
- gfs2_destroy_threads(sdp);
+ else {
+ if (gfs2_withdrawn(sdp))
+ gfs2_destroy_threads(sdp);
+
gfs2_quota_cleanup(sdp);
}
+
WARN_ON(gfs2_withdrawing(sdp));
/* At this point, we're through modifying the disk */
buf->f_files = sc.sc_dinodes + sc.sc_free;
buf->f_ffree = sc.sc_free;
buf->f_namelen = GFS2_FNAMESIZE;
+ buf->f_fsid = uuid_to_fsid(sb->s_uuid.b);
return 0;
}
* As a last resort, if another node keeps holding the iopen glock
* without showing any activity on the inode glock, we will eventually
* time out and fail the iopen glock upgrade.
- *
- * Note that we're passing the LM_FLAG_TRY_1CB flag to the first
- * locking request as an optimization to notify lock holders as soon as
- * possible. Without that flag, they'd be notified implicitly by the
- * second locking request.
*/
- gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, gh);
- error = gfs2_glock_nq(gh);
- if (error != GLR_TRYFAILED)
- return !error;
-
gfs2_holder_reinit(LM_ST_EXCLUSIVE, GL_ASYNC | GL_NOCACHE, gh);
error = gfs2_glock_nq(gh);
if (error)
wait_on_bit_io(&ip->i_flags, GIF_GLOP_PENDING, TASK_UNINTERRUPTIBLE);
gfs2_glock_add_to_lru(ip->i_gl);
gfs2_glock_put_eventually(ip->i_gl);
- ip->i_gl = NULL;
+ rcu_assign_pointer(ip->i_gl, NULL);
}
}
kmem_cache_free(gfs2_inode_cachep, GFS2_I(inode));
}
-extern void free_local_statfs_inodes(struct gfs2_sbd *sdp)
+void free_local_statfs_inodes(struct gfs2_sbd *sdp)
{
struct local_statfs_inode *lsi, *safe;
}
}
-extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
- unsigned int index)
+struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
+ unsigned int index)
{
struct local_statfs_inode *lsi;
#define GFS2_FS_FORMAT_MIN (1801)
#define GFS2_FS_FORMAT_MAX (1802)
-extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
+void gfs2_lm_unmount(struct gfs2_sbd *sdp);
static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
{
return x;
}
-extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
+void gfs2_jindex_free(struct gfs2_sbd *sdp);
-extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
-extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
-extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
- struct gfs2_inode **ipp);
+struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
+int gfs2_jdesc_check(struct gfs2_jdesc *jd);
+int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
+ struct gfs2_inode **ipp);
-extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
-extern void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
-extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
-extern void gfs2_destroy_threads(struct gfs2_sbd *sdp);
-extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
-extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
- s64 dinodes);
-extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
- const void *buf);
-extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
- void *buf);
-extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
-extern int gfs2_statfs_sync(struct super_block *sb, int type);
-extern void gfs2_freeze_func(struct work_struct *work);
-extern void gfs2_thaw_freeze_initiator(struct super_block *sb);
+int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
+void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
+void gfs2_online_uevent(struct gfs2_sbd *sdp);
+void gfs2_destroy_threads(struct gfs2_sbd *sdp);
+int gfs2_statfs_init(struct gfs2_sbd *sdp);
+void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
+ s64 dinodes);
+void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
+ const void *buf);
+void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
+ void *buf);
+void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
+int gfs2_statfs_sync(struct super_block *sb, int type);
+void gfs2_freeze_func(struct work_struct *work);
+void gfs2_thaw_freeze_initiator(struct super_block *sb);
-extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
-extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
- unsigned int index);
-extern void free_sbd(struct gfs2_sbd *sdp);
+void free_local_statfs_inodes(struct gfs2_sbd *sdp);
+struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
+ unsigned int index);
+void free_sbd(struct gfs2_sbd *sdp);
extern struct file_system_type gfs2_fs_type;
extern struct file_system_type gfs2meta_fs_type;
return rgd->rd_length;
}
-extern int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
- unsigned int blocks, unsigned int revokes,
- unsigned long ip);
-extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
- unsigned int revokes);
-
-extern void gfs2_trans_end(struct gfs2_sbd *sdp);
-extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
-extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
-extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
-extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
-extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
+int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
+ unsigned int blocks, unsigned int revokes,
+ unsigned long ip);
+int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
+ unsigned int revokes);
+
+void gfs2_trans_end(struct gfs2_sbd *sdp);
+void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
+void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
+void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
+void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
+void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
#endif /* __TRANS_DOT_H__ */
int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
char *file, unsigned int line);
-extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
- bool verbose);
-extern int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
-extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
+int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
+ bool verbose);
+int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp);
+void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh);
#define gfs2_io_error(sdp) \
gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__)
u64 block;
int error;
- error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, block, 1);
int mh_size = sizeof(struct gfs2_meta_header);
unsigned int n = 1;
- error = gfs2_alloc_blocks(ip, &block, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &block, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, block, 1);
} else {
u64 blk;
unsigned int n = 1;
- error = gfs2_alloc_blocks(ip, &blk, &n, 0, NULL);
+ error = gfs2_alloc_blocks(ip, &blk, &n, 0);
if (error)
return error;
gfs2_trans_remove_revoke(sdp, blk, 1);
struct gfs2_ea_header *el_prev;
};
-extern int __gfs2_xattr_set(struct inode *inode, const char *name,
- const void *value, size_t size,
- int flags, int type);
-extern ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
-extern int gfs2_ea_dealloc(struct gfs2_inode *ip);
+int __gfs2_xattr_set(struct inode *inode, const char *name,
+ const void *value, size_t size,
+ int flags, int type);
+ssize_t gfs2_listxattr(struct dentry *dentry, char *buffer, size_t size);
+int gfs2_ea_dealloc(struct gfs2_inode *ip);
/* Exported to acl.c */
-extern int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data);
+int gfs2_xattr_acl_get(struct gfs2_inode *ip, const char *name, char **data);
#endif /* __EATTR_DOT_H__ */
projects / linux-2.6-microblaze.git / commitdiff