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| author | Miklos Szeredi <mszeredi@suse.cz> | 2013-05-01 14:37:21 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@suse.cz> | 2013-05-01 14:37:21 +0200 |
| commit | 60b9df7a54804a965850db00beec4d3a2c002536 (patch) | |
| tree | ce3519c0708d6dd4113707c36a4ebdc6501542ef /fs/fuse/fuse_i.h | |
| parent | efb9fa9e911b23c7ea5330215bda778a7c69dba8 (diff) | |
| download | linux-60b9df7a54804a965850db00beec4d3a2c002536.tar.gz linux-60b9df7a54804a965850db00beec4d3a2c002536.tar.bz2 linux-60b9df7a54804a965850db00beec4d3a2c002536.zip | |
fuse: add flag to turn on async direct IO
Without async DIO write requests to a single file were always serialized.
With async DIO that's no longer the case.
So don't turn on async DIO by default for fear of breaking backward
compatibility.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/fuse/fuse_i.h')
| -rw-r--r-- | fs/fuse/fuse_i.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 53b830e3b38f..fde7249a3a96 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -541,6 +541,9 @@ struct fuse_conn { /** Does the filesystem want adaptive readdirplus? */ unsigned readdirplus_auto:1; + /** Does the filesystem support asynchronous direct-IO submission? */ + unsigned async_dio:1; + /** The number of requests waiting for completion */ atomic_t num_waiting; |