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| author | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
| commit | e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec (patch) | |
| tree | 863e0e108f7b7ba2dffc7575bbdfc2d454fc2017 /fs/notify | |
| parent | sched: Refactor task_struct to use numa_faults instead of numa_* pointers (diff) | |
| parent | sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency (diff) | |
| download | linux-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.tar.xz linux-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.zip | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/notify')
| -rw-r--r-- | fs/notify/inode_mark.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c index 9ce062218de9..e8497144b323 100644 --- a/fs/notify/inode_mark.c +++ b/fs/notify/inode_mark.c @@ -288,20 +288,25 @@ void fsnotify_unmount_inodes(struct list_head *list) spin_unlock(&inode->i_lock); /* In case the dropping of a reference would nuke next_i. */ - if ((&next_i->i_sb_list != list) && - atomic_read(&next_i->i_count)) { + while (&next_i->i_sb_list != list) { spin_lock(&next_i->i_lock); - if (!(next_i->i_state & (I_FREEING | I_WILL_FREE))) { + if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) && + atomic_read(&next_i->i_count)) { __iget(next_i); need_iput = next_i; + spin_unlock(&next_i->i_lock); + break; } spin_unlock(&next_i->i_lock); + next_i = list_entry(next_i->i_sb_list.next, + struct inode, i_sb_list); } /* - * We can safely drop inode_sb_list_lock here because we hold - * references on both inode and next_i. Also no new inodes - * will be added since the umount has begun. + * We can safely drop inode_sb_list_lock here because either + * we actually hold references on both inode and next_i or + * end of list. Also no new inodes will be added since the + * umount has begun. */ spin_unlock(&inode_sb_list_lock); |