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| author | Chao Yu <yuchao0@huawei.com> | 2018-04-24 05:55:28 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-05-31 21:31:49 +0300 |
| commit | b2532c694033fb6762478846c457382061f9f630 (patch) | |
| tree | 2efb28d6f943201ee1a387fd558aaad4e7079ad5 /fs/f2fs/f2fs.h | |
| parent | b82f6e347bfb68920d7e611553e1f3170ee4608c (diff) | |
| download | linux-b2532c694033fb6762478846c457382061f9f630.tar.xz | |
f2fs: rename dio_rwsem to i_gc_rwsem
RW semphore dio_rwsem in struct f2fs_inode_info is introduced to avoid
race between dio and data gc, but now, it is more wildly used to avoid
foreground operation vs data gc. So rename it to i_gc_rwsem to improve
its readability.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c2d1208b2c87..7d19fd092928 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -653,7 +653,9 @@ struct f2fs_inode_info { struct task_struct *inmem_task; /* store inmemory task */ struct mutex inmem_lock; /* lock for inmemory pages */ struct extent_tree *extent_tree; /* cached extent_tree entry */ - struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */ + + /* avoid racing between foreground op and gc */ + struct rw_semaphore i_gc_rwsem[2]; struct rw_semaphore i_mmap_sem; struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |