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Diffstat (limited to 'fs/ext3/namei.c')
-rw-r--r--fs/ext3/namei.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index aad6400c9b77..7b0e44f7d66f 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1699,7 +1699,7 @@ static int ext3_create (struct inode * dir, struct dentry * dentry, int mode,
retry:
handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- 2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+ EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1733,7 +1733,7 @@ static int ext3_mknod (struct inode * dir, struct dentry *dentry,
retry:
handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- 2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+ EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1769,7 +1769,7 @@ static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode)
retry:
handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- 2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+ EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1920,7 +1920,7 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
struct ext3_iloc iloc;
int err = 0, rc;
- lock_super(sb);
+ mutex_lock(&EXT3_SB(sb)->s_orphan_lock);
if (!list_empty(&EXT3_I(inode)->i_orphan))
goto out_unlock;
@@ -1929,9 +1929,13 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
/* @@@ FIXME: Observation from aviro:
* I think I can trigger J_ASSERT in ext3_orphan_add(). We block
- * here (on lock_super()), so race with ext3_link() which might bump
+ * here (on s_orphan_lock), so race with ext3_link() which might bump
* ->i_nlink. For, say it, character device. Not a regular file,
* not a directory, not a symlink and ->i_nlink > 0.
+ *
+ * tytso, 4/25/2009: I'm not sure how that could happen;
+ * shouldn't the fs core protect us from these sort of
+ * unlink()/link() races?
*/
J_ASSERT ((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)) || inode->i_nlink == 0);
@@ -1968,7 +1972,7 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
jbd_debug(4, "orphan inode %lu will point to %d\n",
inode->i_ino, NEXT_ORPHAN(inode));
out_unlock:
- unlock_super(sb);
+ mutex_unlock(&EXT3_SB(sb)->s_orphan_lock);
ext3_std_error(inode->i_sb, err);
return err;
}
@@ -1986,11 +1990,9 @@ int ext3_orphan_del(handle_t *handle, struct inode *inode)
struct ext3_iloc iloc;
int err = 0;
- lock_super(inode->i_sb);
- if (list_empty(&ei->i_orphan)) {
- unlock_super(inode->i_sb);
- return 0;
- }
+ mutex_lock(&EXT3_SB(inode->i_sb)->s_orphan_lock);
+ if (list_empty(&ei->i_orphan))
+ goto out;
ino_next = NEXT_ORPHAN(inode);
prev = ei->i_orphan.prev;
@@ -2040,7 +2042,7 @@ int ext3_orphan_del(handle_t *handle, struct inode *inode)
out_err:
ext3_std_error(inode->i_sb, err);
out:
- unlock_super(inode->i_sb);
+ mutex_unlock(&EXT3_SB(inode->i_sb)->s_orphan_lock);
return err;
out_brelse:
@@ -2175,7 +2177,7 @@ static int ext3_symlink (struct inode * dir,
retry:
handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
EXT3_INDEX_EXTRA_TRANS_BLOCKS + 5 +
- 2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+ EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
if (IS_ERR(handle))
return PTR_ERR(handle);