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[PATCH] r/o bind mounts: monitor zeroing of i_nlink

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Some filesystems, instead of simply decrementing i_nlink, simply zero it
during an unlink operation.  We need to catch these in addition to the
decrement operations.

Signed-off-by: Dave Hansen <[email protected]>
Acked-by: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dave Hansen 2006-09-30 23:29:06 -07:00 • committed by Linus Torvalds
commit ce71ec3684
15 changed files with 26 additions and 21 deletions
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4
fs/hfsplus/dir.c
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@ -348,7 +348,7 @@ static int hfsplus_unlink(struct inode *dir, struct dentry *dentry)
} else
inode->i_flags |= S_DEAD;
} else
inode->i_nlink = 0;
clear_nlink(inode);
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
@ -387,7 +387,7 @@ static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry)
res = hfsplus_delete_cat(inode->i_ino, dir, &dentry->d_name);
if (res)
return res;
inode->i_nlink = 0;
clear_nlink(inode);
inode->i_ctime = CURRENT_TIME_SEC;
hfsplus_delete_inode(inode);
mark_inode_dirty(inode);