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| author | Eric Paris <eparis@redhat.com> | 2010-07-28 16:18:38 +0200 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-07-28 16:18:52 +0200 |
| commit | 75c1be487a690db43da2c1234fcacd84c982803c (patch) | |
| tree | b38ce47f157d3b0eff7ac6eb4756a4b390ac35ae /include | |
| parent | fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called (diff) | |
| download | linux-75c1be487a690db43da2c1234fcacd84c982803c.tar.xz linux-75c1be487a690db43da2c1234fcacd84c982803c.zip | |
fsnotify: srcu to protect read side of inode and vfsmount locks
Currently reading the inode->i_fsnotify_marks or
vfsmount->mnt_fsnotify_marks lists are protected by a spinlock on both the
read and the write side. This patch protects the read side of those lists
with a new single srcu.
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fsnotify_backend.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 8e24cdf72928..84159390969f 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -302,6 +302,7 @@ struct fsnotify_mark { #define FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY 0x08 #define FSNOTIFY_MARK_FLAG_ALIVE 0x10 unsigned int flags; /* vfsmount or inode mark? */ + struct list_head destroy_list; void (*free_mark)(struct fsnotify_mark *mark); /* called on final put+free */ }; |