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authorChristoph Hellwig <hch@lst.de>2005-06-23 00:09:16 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:20 -0700
commit84de856ed30c568c2bb7b9ac0679772bd2737d9b (patch)
tree532e4f6bcc0db2d1baf0455484ec7f64a2a51e71
parentdf164db5fd16888ddbe2a63a47b2f6dda9a428b5 (diff)
[PATCH] quota: consolidate code surrounding vfs_quota_on_mount
Move some code duplicated in both callers into vfs_quota_on_mount Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jan Kara <jack@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/dquot.c23
-rw-r--r--fs/ext3/super.c18
-rw-r--r--fs/reiserfs/super.c21
-rw-r--r--include/linux/quotaops.h3
4 files changed, 26 insertions, 39 deletions
diff --git a/fs/dquot.c b/fs/dquot.c
index 3995ce7907c..343c0365561 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1519,14 +1519,29 @@ out_path:
* This function is used when filesystem needs to initialize quotas
* during mount time.
*/
-int vfs_quota_on_mount(int type, int format_id, struct dentry *dentry)
+int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
+ int format_id, int type)
{
+ struct qstr name = {.name = qf_name, .len = 0, .len = strlen(qf_name)};
+ struct dentry *dentry;
int error;
+ dentry = lookup_hash(&name, sb->s_root);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
+
error = security_quota_on(dentry);
- if (error)
- return error;
- return vfs_quota_on_inode(dentry->d_inode, type, format_id);
+ if (!error)
+ error = vfs_quota_on_inode(dentry->d_inode, type, format_id);
+
+ /*
+ * Now invalidate and put the dentry - quota got its own reference
+ * to inode and dentry has at least wrong hash so we had better
+ * throw it away.
+ */
+ d_invalidate(dentry);
+ dput(dentry);
+ return error;
}
/* Generic routine for getting common part of quota structure */
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 981ccb233ef..9630fbfdc24 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2348,22 +2348,8 @@ static int ext3_write_info(struct super_block *sb, int type)
*/
static int ext3_quota_on_mount(struct super_block *sb, int type)
{
- int err;
- struct dentry *dentry;
- struct qstr name = { .name = EXT3_SB(sb)->s_qf_names[type],
- .hash = 0,
- .len = strlen(EXT3_SB(sb)->s_qf_names[type])};
-
- dentry = lookup_hash(&name, sb->s_root);
- if (IS_ERR(dentry))
- return PTR_ERR(dentry);
- err = vfs_quota_on_mount(type, EXT3_SB(sb)->s_jquota_fmt, dentry);
- /* Now invalidate and put the dentry - quota got its own reference
- * to inode and dentry has at least wrong hash so we had better
- * throw it away */
- d_invalidate(dentry);
- dput(dentry);
- return err;
+ return vfs_quota_on_mount(sb, EXT3_SB(sb)->s_qf_names[type],
+ EXT3_SB(sb)->s_jquota_fmt, type);
}
/*
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index b35b8774498..aae0779ed5b 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1932,27 +1932,12 @@ static int reiserfs_write_info(struct super_block *sb, int type)
}
/*
- * Turn on quotas during mount time - we need to find
- * the quota file and such...
+ * Turn on quotas during mount time - we need to find the quota file and such...
*/
static int reiserfs_quota_on_mount(struct super_block *sb, int type)
{
- int err;
- struct dentry *dentry;
- struct qstr name = { .name = REISERFS_SB(sb)->s_qf_names[type],
- .hash = 0,
- .len = strlen(REISERFS_SB(sb)->s_qf_names[type])};
-
- dentry = lookup_hash(&name, sb->s_root);
- if (IS_ERR(dentry))
- return PTR_ERR(dentry);
- err = vfs_quota_on_mount(type, REISERFS_SB(sb)->s_jquota_fmt, dentry);
- /* Now invalidate and put the dentry - quota got its own reference
- * to inode and dentry has at least wrong hash so we had better
- * throw it away */
- d_invalidate(dentry);
- dput(dentry);
- return err;
+ return vfs_quota_on_mount(sb, REISERFS_SB(sb)->s_qf_names[type],
+ REISERFS_SB(sb)->s_jquota_fmt, type);
}
/*
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index e57baa85e74..d211507ab24 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -39,7 +39,8 @@ extern int dquot_commit_info(struct super_block *sb, int type);
extern int dquot_mark_dquot_dirty(struct dquot *dquot);
extern int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path);
-extern int vfs_quota_on_mount(int type, int format_id, struct dentry *dentry);
+extern int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
+ int format_id, int type);
extern int vfs_quota_off(struct super_block *sb, int type);
#define vfs_quota_off_mount(sb, type) vfs_quota_off(sb, type)
extern int vfs_quota_sync(struct super_block *sb, int type);