Merge branch 'cando' into for-linus
[linux-2.6-microblaze.git] / fs / cifs / cifsfs.c
index 440e98c..78c02eb 100644 (file)
 #include "cifs_spnego.h"
 #define CIFS_MAGIC_NUMBER 0xFF534D42   /* the first four bytes of SMB PDUs */
 
-#ifdef CONFIG_CIFS_QUOTA
-static const struct quotactl_ops cifs_quotactl_ops;
-#endif /* QUOTA */
-
 int cifsFYI = 0;
 int cifsERROR = 1;
 int traceSMB = 0;
@@ -86,8 +82,6 @@ extern mempool_t *cifs_sm_req_poolp;
 extern mempool_t *cifs_req_poolp;
 extern mempool_t *cifs_mid_poolp;
 
-extern struct kmem_cache *cifs_oplock_cachep;
-
 static int
 cifs_read_super(struct super_block *sb, void *data,
                const char *devname, int silent)
@@ -103,6 +97,12 @@ cifs_read_super(struct super_block *sb, void *data,
        if (cifs_sb == NULL)
                return -ENOMEM;
 
+       rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
+       if (rc) {
+               kfree(cifs_sb);
+               return rc;
+       }
+
 #ifdef CONFIG_CIFS_DFS_UPCALL
        /* copy mount params to sb for use in submounts */
        /* BB: should we move this after the mount so we
@@ -115,6 +115,7 @@ cifs_read_super(struct super_block *sb, void *data,
                int len = strlen(data);
                cifs_sb->mountdata = kzalloc(len + 1, GFP_KERNEL);
                if (cifs_sb->mountdata == NULL) {
+                       bdi_destroy(&cifs_sb->bdi);
                        kfree(sb->s_fs_info);
                        sb->s_fs_info = NULL;
                        return -ENOMEM;
@@ -134,12 +135,10 @@ cifs_read_super(struct super_block *sb, void *data,
 
        sb->s_magic = CIFS_MAGIC_NUMBER;
        sb->s_op = &cifs_super_ops;
+       sb->s_bdi = &cifs_sb->bdi;
 /*     if (cifs_sb->tcon->ses->server->maxBuf > MAX_CIFS_HDR_SIZE + 512)
            sb->s_blocksize =
                cifs_sb->tcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE; */
-#ifdef CONFIG_CIFS_QUOTA
-       sb->s_qcop = &cifs_quotactl_ops;
-#endif
        sb->s_blocksize = CIFS_MAX_MSGSIZE;
        sb->s_blocksize_bits = 14;      /* default 2**14 = CIFS_MAX_MSGSIZE */
        inode = cifs_root_iget(sb, ROOT_I);
@@ -182,6 +181,7 @@ out_mount_failed:
                }
 #endif
                unload_nls(cifs_sb->local_nls);
+               bdi_destroy(&cifs_sb->bdi);
                kfree(cifs_sb);
        }
        return rc;
@@ -213,6 +213,7 @@ cifs_put_super(struct super_block *sb)
 #endif
 
        unload_nls(cifs_sb->local_nls);
+       bdi_destroy(&cifs_sb->bdi);
        kfree(cifs_sb);
 
        unlock_kernel();
@@ -289,7 +290,6 @@ static int cifs_permission(struct inode *inode, int mask)
 static struct kmem_cache *cifs_inode_cachep;
 static struct kmem_cache *cifs_req_cachep;
 static struct kmem_cache *cifs_mid_cachep;
-struct kmem_cache *cifs_oplock_cachep;
 static struct kmem_cache *cifs_sm_req_cachep;
 mempool_t *cifs_sm_req_poolp;
 mempool_t *cifs_req_poolp;
@@ -421,106 +421,6 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m)
        return 0;
 }
 
-#ifdef CONFIG_CIFS_QUOTA
-int cifs_xquota_set(struct super_block *sb, int quota_type, qid_t qid,
-               struct fs_disk_quota *pdquota)
-{
-       int xid;
-       int rc = 0;
-       struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-       struct cifsTconInfo *pTcon;
-
-       if (cifs_sb)
-               pTcon = cifs_sb->tcon;
-       else
-               return -EIO;
-
-
-       xid = GetXid();
-       if (pTcon) {
-               cFYI(1, "set type: 0x%x id: %d", quota_type, qid);
-       } else
-               rc = -EIO;
-
-       FreeXid(xid);
-       return rc;
-}
-
-int cifs_xquota_get(struct super_block *sb, int quota_type, qid_t qid,
-                   struct fs_disk_quota *pdquota)
-{
-       int xid;
-       int rc = 0;
-       struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-       struct cifsTconInfo *pTcon;
-
-       if (cifs_sb)
-               pTcon = cifs_sb->tcon;
-       else
-               return -EIO;
-
-       xid = GetXid();
-       if (pTcon) {
-               cFYI(1, "set type: 0x%x id: %d", quota_type, qid);
-       } else
-               rc = -EIO;
-
-       FreeXid(xid);
-       return rc;
-}
-
-int cifs_xstate_set(struct super_block *sb, unsigned int flags, int operation)
-{
-       int xid;
-       int rc = 0;
-       struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-       struct cifsTconInfo *pTcon;
-
-       if (cifs_sb)
-               pTcon = cifs_sb->tcon;
-       else
-               return -EIO;
-
-       xid = GetXid();
-       if (pTcon) {
-               cFYI(1, "flags: 0x%x operation: 0x%x", flags, operation);
-       } else
-               rc = -EIO;
-
-       FreeXid(xid);
-       return rc;
-}
-
-int cifs_xstate_get(struct super_block *sb, struct fs_quota_stat *qstats)
-{
-       int xid;
-       int rc = 0;
-       struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-       struct cifsTconInfo *pTcon;
-
-       if (cifs_sb)
-               pTcon = cifs_sb->tcon;
-       else
-               return -EIO;
-
-       xid = GetXid();
-       if (pTcon) {
-               cFYI(1, "pqstats %p", qstats);
-       } else
-               rc = -EIO;
-
-       FreeXid(xid);
-       return rc;
-}
-
-static const struct quotactl_ops cifs_quotactl_ops = {
-       .set_xquota     = cifs_xquota_set,
-       .get_xquota     = cifs_xquota_get,
-       .set_xstate     = cifs_xstate_set,
-       .get_xstate     = cifs_xstate_get,
-};
-#endif
-
 static void cifs_umount_begin(struct super_block *sb)
 {
        struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
@@ -645,7 +545,6 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
        return generic_file_llseek_unlocked(file, offset, origin);
 }
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
 static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
 {
        /* note that this is called by vfs setlease with the BKL held
@@ -674,7 +573,6 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
        else
                return -EAGAIN;
 }
-#endif
 
 struct file_system_type cifs_fs_type = {
        .owner = THIS_MODULE,
@@ -751,10 +649,7 @@ const struct file_operations cifs_file_ops = {
 #ifdef CONFIG_CIFS_POSIX
        .unlocked_ioctl = cifs_ioctl,
 #endif /* CONFIG_CIFS_POSIX */
-
-#ifdef CONFIG_CIFS_EXPERIMENTAL
        .setlease = cifs_setlease,
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
 const struct file_operations cifs_file_direct_ops = {
@@ -773,9 +668,7 @@ const struct file_operations cifs_file_direct_ops = {
        .unlocked_ioctl  = cifs_ioctl,
 #endif /* CONFIG_CIFS_POSIX */
        .llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_EXPERIMENTAL
        .setlease = cifs_setlease,
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 const struct file_operations cifs_file_nobrl_ops = {
        .read = do_sync_read,
@@ -792,10 +685,7 @@ const struct file_operations cifs_file_nobrl_ops = {
 #ifdef CONFIG_CIFS_POSIX
        .unlocked_ioctl = cifs_ioctl,
 #endif /* CONFIG_CIFS_POSIX */
-
-#ifdef CONFIG_CIFS_EXPERIMENTAL
        .setlease = cifs_setlease,
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
 const struct file_operations cifs_file_direct_nobrl_ops = {
@@ -813,9 +703,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
        .unlocked_ioctl  = cifs_ioctl,
 #endif /* CONFIG_CIFS_POSIX */
        .llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_EXPERIMENTAL
        .setlease = cifs_setlease,
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
 const struct file_operations cifs_dir_ops = {
@@ -951,15 +839,6 @@ cifs_init_mids(void)
                return -ENOMEM;
        }
 
-       cifs_oplock_cachep = kmem_cache_create("cifs_oplock_structs",
-                                       sizeof(struct oplock_q_entry), 0,
-                                       SLAB_HWCACHE_ALIGN, NULL);
-       if (cifs_oplock_cachep == NULL) {
-               mempool_destroy(cifs_mid_poolp);
-               kmem_cache_destroy(cifs_mid_cachep);
-               return -ENOMEM;
-       }
-
        return 0;
 }
 
@@ -968,7 +847,6 @@ cifs_destroy_mids(void)
 {
        mempool_destroy(cifs_mid_poolp);
        kmem_cache_destroy(cifs_mid_cachep);
-       kmem_cache_destroy(cifs_oplock_cachep);
 }
 
 static int __init