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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 11:42:00 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 11:42:00 +0200 |
| commit | 0ed07ddb56d1348e5ce33f3b8de20d730351983a (patch) | |
| tree | 2a1487252e9ecd6fe5b7ff87d9b035f040ab8ff1 /fs/9p/v9fs.c | |
| parent | bdi: add helper function for doing init and register of a bdi for a file system (diff) | |
| download | linux-0ed07ddb56d1348e5ce33f3b8de20d730351983a.tar.xz linux-0ed07ddb56d1348e5ce33f3b8de20d730351983a.zip | |
9p: add bdi backing to mount session
This ensures that dirty data gets flushed properly.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/9p/v9fs.c')
| -rw-r--r-- | fs/9p/v9fs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 5c5bc8480070..f8b86e92cd66 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -238,6 +238,13 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, return ERR_PTR(-ENOMEM); } + rc = bdi_setup_and_register(&v9ses->bdi, "9p", BDI_CAP_MAP_COPY); + if (rc) { + __putname(v9ses->aname); + __putname(v9ses->uname); + return ERR_PTR(rc); + } + spin_lock(&v9fs_sessionlist_lock); list_add(&v9ses->slist, &v9fs_sessionlist); spin_unlock(&v9fs_sessionlist_lock); @@ -301,6 +308,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, return fid; error: + bdi_destroy(&v9ses->bdi); return ERR_PTR(retval); } @@ -326,6 +334,8 @@ void v9fs_session_close(struct v9fs_session_info *v9ses) __putname(v9ses->uname); __putname(v9ses->aname); + bdi_destroy(&v9ses->bdi); + spin_lock(&v9fs_sessionlist_lock); list_del(&v9ses->slist); spin_unlock(&v9fs_sessionlist_lock); |