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authorJan Kara <jack@suse.cz>2017-02-01 08:19:43 +0100
committerJan Kara <jack@suse.cz>2017-04-10 17:37:35 +0200
commit04662cab59fc3e8421fd7a0539d304d51d2750a4 (patch)
treebde9d5a97ffbe63ea7366a4aab6be9e2402a2827 /fs/inode.c
parent2629718dd26f89e064dcdec6c8e5b9713502e1f8 (diff)
fsnotify: Lock object list with connector lock
So far list of marks attached to an object (inode / vfsmount) was protected by i_lock or mnt_root->d_lock. This dictates that the list must be empty before the object can be destroyed although the list is now anchored in the fsnotify_mark_connector structure. Protect the list by a spinlock in the fsnotify_mark_connector structure to decouple lifetime of a list of marks from a lifetime of the object. This also simplifies the code quite a bit since we don't have to differentiate between inode and vfsmount lists in quite a few places anymore. Reviewed-by: Miklos Szeredi <mszeredi@redhat.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/inode.c')
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