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authorAl Viro <viro@zeniv.linux.org.uk>2010-05-21 16:11:04 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-05-21 18:31:12 -0400
commit13e3c5e5b9c67e59074d24e29f3ff794bb4dfef0 (patch)
tree18222526565a7fdf44aba30d2861c1f6b75516e3 /fs/super.c
parentd515e86e639890b33a09390d062b0831664f04a2 (diff)
downloadlinux-13e3c5e5b9c67e59074d24e29f3ff794bb4dfef0.tar.bz2
clean DCACHE_CANT_MOUNT in d_delete()
We set the "it's dead, don't mount on it" flag _and_ do not remove it if we turn the damn thing negative and leave it around. And if it goes positive afterwards, well... Fortunately, there's only one place where that needs to be caught: only d_delete() can turn the sucker negative without immediately freeing it; all other places that can lead to ->d_iput() call are followed by unconditionally freeing struct dentry in question. So the fix is obvious: Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16014 Reported-by: Adam Tkac <vonsch@gmail.com> Tested-by: Adam Tkac <vonsch@gmail.com> Cc: <stable@kernel.org> [2.6.34.x] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/super.c')
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