diff options
Diffstat (limited to 'fs/ext3/namei.c')
-rw-r--r-- | fs/ext3/namei.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index aad6400..7b0e44f7 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); |