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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6

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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  ext2: Fix link count corruption under heavy link+rename load
This commit is contained in:
Linus Torvalds 2011-03-02 20:00:47 -08:00
commit 25271d8c84
1 changed files with 2 additions and 7 deletions
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9
fs/ext2/namei.c
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@ -344,7 +344,6 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
new_de = ext2_find_entry (new_dir, &new_dentry->d_name, &new_page);
if (!new_de)
goto out_dir;
inode_inc_link_count(old_inode);
ext2_set_link(new_dir, new_de, new_page, old_inode, 1);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
@ -356,12 +355,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
if (new_dir->i_nlink >= EXT2_LINK_MAX)
goto out_dir;
}
inode_inc_link_count(old_inode);
err = ext2_add_link(new_dentry, old_inode);
if (err) {
inode_dec_link_count(old_inode);
if (err)
goto out_dir;
}
if (dir_de)
inode_inc_link_count(new_dir);
}
@ -369,12 +365,11 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
/*
* Like most other Unix systems, set the ctime for inodes on a
* rename.
* inode_dec_link_count() will mark the inode dirty.
*/
old_inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(old_inode);
ext2_delete_entry (old_de, old_page);
inode_dec_link_count(old_inode);
if (dir_de) {
if (old_dir != new_dir)