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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2008-02-22 06:17:31 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-02-22 06:17:31 -0500
commit4cdeed861b5f797b3fa661eb331a6bd6ad669c6a (patch)
tree6ef2159a06974e28bdff4426525ecdd052d7b57f /fs
parentb73fce69ecb091a178ef9286027c370a63eb25aa (diff)
ext4: Don't leave behind a half-created inode if ext4_mkdir() fails
If ext4_mkdir() fails to allocate the initial block for the directory, don't leave behind a half-created directory inode with the link count left at one. This was caused by an inappropriate call to ext4_dec_count(). Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/namei.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index a9347fb43bc..fffd0807a01 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1804,12 +1804,8 @@ retry:
inode->i_fop = &ext4_dir_operations;
inode->i_size = EXT4_I(inode)->i_disksize = inode->i_sb->s_blocksize;
dir_block = ext4_bread (handle, inode, 0, 1, &err);
- if (!dir_block) {
- ext4_dec_count(handle, inode); /* is this nlink == 0? */
- ext4_mark_inode_dirty(handle, inode);
- iput (inode);
- goto out_stop;
- }
+ if (!dir_block)
+ goto out_clear_inode;
BUFFER_TRACE(dir_block, "get_write_access");
ext4_journal_get_write_access(handle, dir_block);
de = (struct ext4_dir_entry_2 *) dir_block->b_data;
@@ -1832,7 +1828,8 @@ retry:
ext4_mark_inode_dirty(handle, inode);
err = ext4_add_entry (handle, dentry, inode);
if (err) {
- inode->i_nlink = 0;
+out_clear_inode:
+ clear_nlink(inode);
ext4_mark_inode_dirty(handle, inode);
iput (inode);
goto out_stop;