size = i_size_read(inode);
- if (size > PAGE_CACHE_SIZE ||
+ if (size > PAGE_SIZE ||
size > ocfs2_max_inline_data_with_xattr(inode->i_sb, di)) {
ocfs2_error(inode->i_sb,
"Inode %llu has with inline data has bad size: %Lu\n",
if (size)
memcpy(kaddr, di->id2.i_data.id_data, size);
/* Clear the remaining part of the page */
- memset(kaddr + size, 0, PAGE_CACHE_SIZE - size);
+ memset(kaddr + size, 0, PAGE_SIZE - size);
flush_dcache_page(page);
kunmap_atomic(kaddr);
{
struct inode *inode = page->mapping->host;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- loff_t start = (loff_t)page->index << PAGE_CACHE_SHIFT;
+ loff_t start = (loff_t)page->index << PAGE_SHIFT;
int ret, unlock = 1;
trace_ocfs2_readpage((unsigned long long)oi->ip_blkno,
* drop out in that case as it's not worth handling here.
*/
last = list_entry(pages->prev, struct page, lru);
- start = (loff_t)last->index << PAGE_CACHE_SHIFT;
+ start = (loff_t)last->index << PAGE_SHIFT;
if (start >= i_size_read(inode))
goto out_unlock;
unsigned int *start,
unsigned int *end)
{
- unsigned int cluster_start = 0, cluster_end = PAGE_CACHE_SIZE;
+ unsigned int cluster_start = 0, cluster_end = PAGE_SIZE;
- if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits)) {
+ if (unlikely(PAGE_SHIFT > osb->s_clustersize_bits)) {
unsigned int cpp;
- cpp = 1 << (PAGE_CACHE_SHIFT - osb->s_clustersize_bits);
+ cpp = 1 << (PAGE_SHIFT - osb->s_clustersize_bits);
cluster_start = cpos % cpp;
cluster_start = cluster_start << osb->s_clustersize_bits;
return ret;
}
-#if (PAGE_CACHE_SIZE >= OCFS2_MAX_CLUSTERSIZE)
+#if (PAGE_SIZE >= OCFS2_MAX_CLUSTERSIZE)
#define OCFS2_MAX_CTXT_PAGES 1
#else
-#define OCFS2_MAX_CTXT_PAGES (OCFS2_MAX_CLUSTERSIZE / PAGE_CACHE_SIZE)
+#define OCFS2_MAX_CTXT_PAGES (OCFS2_MAX_CLUSTERSIZE / PAGE_SIZE)
#endif
-#define OCFS2_MAX_CLUSTERS_PER_PAGE (PAGE_CACHE_SIZE / OCFS2_MIN_CLUSTERSIZE)
+#define OCFS2_MAX_CLUSTERS_PER_PAGE (PAGE_SIZE / OCFS2_MIN_CLUSTERSIZE)
struct ocfs2_unwritten_extent {
struct list_head ue_node;
if (pages[i]) {
unlock_page(pages[i]);
mark_page_accessed(pages[i]);
- page_cache_release(pages[i]);
+ put_page(pages[i]);
}
}
}
}
}
mark_page_accessed(wc->w_target_page);
- page_cache_release(wc->w_target_page);
+ put_page(wc->w_target_page);
}
ocfs2_unlock_and_free_pages(wc->w_pages, wc->w_num_pages);
}
wc->w_di_bh = di_bh;
wc->w_type = type;
- if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits))
+ if (unlikely(PAGE_SHIFT > osb->s_clustersize_bits))
wc->w_large_pages = 1;
else
wc->w_large_pages = 0;
loff_t user_pos, unsigned user_len)
{
int i;
- unsigned from = user_pos & (PAGE_CACHE_SIZE - 1),
+ unsigned from = user_pos & (PAGE_SIZE - 1),
to = user_pos + user_len;
struct page *tmppage;
(page_offset(page) <= user_pos));
if (page == wc->w_target_page) {
- map_from = user_pos & (PAGE_CACHE_SIZE - 1);
+ map_from = user_pos & (PAGE_SIZE - 1);
map_to = map_from + user_len;
if (new)
struct inode *inode = mapping->host;
loff_t last_byte;
- target_index = user_pos >> PAGE_CACHE_SHIFT;
+ target_index = user_pos >> PAGE_SHIFT;
/*
* Figure out how many pages we'll be manipulating here. For
*/
last_byte = max(user_pos + user_len, i_size_read(inode));
BUG_ON(last_byte < 1);
- end_index = ((last_byte - 1) >> PAGE_CACHE_SHIFT) + 1;
+ end_index = ((last_byte - 1) >> PAGE_SHIFT) + 1;
if ((start + wc->w_num_pages) > end_index)
wc->w_num_pages = end_index - start;
} else {
wc->w_num_pages = 1;
start = target_index;
}
- end_index = (user_pos + user_len - 1) >> PAGE_CACHE_SHIFT;
+ end_index = (user_pos + user_len - 1) >> PAGE_SHIFT;
for(i = 0; i < wc->w_num_pages; i++) {
index = start + i;
goto out;
}
- page_cache_get(mmap_page);
+ get_page(mmap_page);
wc->w_pages[i] = mmap_page;
wc->w_target_locked = true;
} else if (index >= target_index && index <= end_index &&
{
struct ocfs2_write_cluster_desc *desc;
- wc->w_target_from = pos & (PAGE_CACHE_SIZE - 1);
+ wc->w_target_from = pos & (PAGE_SIZE - 1);
wc->w_target_to = wc->w_target_from + len;
if (alloc == 0)
&wc->w_target_to);
} else {
wc->w_target_from = 0;
- wc->w_target_to = PAGE_CACHE_SIZE;
+ wc->w_target_to = PAGE_SIZE;
}
}
struct page *page, void *fsdata)
{
int i, ret;
- unsigned from, to, start = pos & (PAGE_CACHE_SIZE - 1);
+ unsigned from, to, start = pos & (PAGE_SIZE - 1);
struct inode *inode = mapping->host;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_write_ctxt *wc = fsdata;
from = wc->w_target_from;
to = wc->w_target_to;
- BUG_ON(from > PAGE_CACHE_SIZE ||
- to > PAGE_CACHE_SIZE ||
+ BUG_ON(from > PAGE_SIZE ||
+ to > PAGE_SIZE ||
to < from);
} else {
/*
* to flush their entire range.
*/
from = 0;
- to = PAGE_CACHE_SIZE;
+ to = PAGE_SIZE;
}
if (page_has_buffers(tmppage)) {
mlog(0, "get block of %lu at %llu:%u req %u\n",
inode->i_ino, pos, len, total_len);
- down_read(&oi->ip_alloc_sem);
- /* This is the fast path for re-write. */
- ret = ocfs2_get_block(inode, iblock, bh_result, create);
+ /*
+ * Because we need to change file size in ocfs2_dio_end_io_write(), or
+ * we may need to add it to orphan dir. So can not fall to fast path
+ * while file size will be changed.
+ */
+ if (pos + total_len <= i_size_read(inode)) {
+ down_read(&oi->ip_alloc_sem);
+ /* This is the fast path for re-write. */
+ ret = ocfs2_get_block(inode, iblock, bh_result, create);
- up_read(&oi->ip_alloc_sem);
+ up_read(&oi->ip_alloc_sem);
- if (buffer_mapped(bh_result) &&
- !buffer_new(bh_result) &&
- ret == 0)
- goto out;
+ if (buffer_mapped(bh_result) &&
+ !buffer_new(bh_result) &&
+ ret == 0)
+ goto out;
- /* Clear state set by ocfs2_get_block. */
- bh_result->b_state = 0;
+ /* Clear state set by ocfs2_get_block. */
+ bh_result->b_state = 0;
+ }
dwc = ocfs2_dio_alloc_write_ctx(bh_result, &first_get_block);
if (unlikely(dwc == NULL)) {
ret = ocfs2_lock_allocators(inode, &et, 0, dwc->dw_zero_count*2,
&data_ac, &meta_ac);
+ if (ret) {
+ mlog_errno(ret);
+ goto unlock;
+ }
credits = ocfs2_calc_extend_credits(inode->i_sb, &di->id2.i_list);
ocfs2_inode_unlock(inode, 1);
brelse(di_bh);
out:
- ocfs2_run_deallocs(osb, &dealloc);
- if (locked)
- mutex_unlock(&inode->i_mutex);
- ocfs2_dio_free_write_ctx(inode, dwc);
if (data_ac)
ocfs2_free_alloc_context(data_ac);
if (meta_ac)
ocfs2_free_alloc_context(meta_ac);
+ ocfs2_run_deallocs(osb, &dealloc);
+ if (locked)
+ mutex_unlock(&inode->i_mutex);
+ ocfs2_dio_free_write_ctx(inode, dwc);
}
/*
projects / linux-2.6-microblaze.git / blobdiff