diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 11:58:18 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 11:58:18 +0200 |
| commit | e1da0222753a2322d76c97fc02396fb83143c7ac (patch) | |
| tree | cba5f8058b48cc0f6c6647e3f217bf0cfb7b60ef /fs | |
| parent | 0ed07ddb56d1348e5ce33f3b8de20d730351983a (diff) | |
afs: 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')
| -rw-r--r-- | fs/afs/internal.h | 2 | ||||
| -rw-r--r-- | fs/afs/super.c | 1 | ||||
| -rw-r--r-- | fs/afs/volume.c | 7 |
3 files changed, 10 insertions, 0 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index c54dad4e606..a10f2582844 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -19,6 +19,7 @@ #include <linux/workqueue.h> #include <linux/sched.h> #include <linux/fscache.h> +#include <linux/backing-dev.h> #include "afs.h" #include "afs_vl.h" @@ -313,6 +314,7 @@ struct afs_volume { unsigned short rjservers; /* number of servers discarded due to -ENOMEDIUM */ struct afs_server *servers[8]; /* servers on which volume resides (ordered) */ struct rw_semaphore server_sem; /* lock for accessing current server */ + struct backing_dev_info bdi; }; /* diff --git a/fs/afs/super.c b/fs/afs/super.c index 14f6431598a..e932e5a3a0c 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -311,6 +311,7 @@ static int afs_fill_super(struct super_block *sb, void *data) sb->s_magic = AFS_FS_MAGIC; sb->s_op = &afs_super_ops; sb->s_fs_info = as; + sb->s_bdi = &as->volume->bdi; /* allocate the root inode and dentry */ fid.vid = as->volume->vid; diff --git a/fs/afs/volume.c b/fs/afs/volume.c index a353e69e239..401eeb21869 100644 --- a/fs/afs/volume.c +++ b/fs/afs/volume.c @@ -106,6 +106,10 @@ struct afs_volume *afs_volume_lookup(struct afs_mount_params *params) volume->cell = params->cell; volume->vid = vlocation->vldb.vid[params->type]; + ret = bdi_setup_and_register(&volume->bdi, "afs", BDI_CAP_MAP_COPY); + if (ret) + goto error_bdi; + init_rwsem(&volume->server_sem); /* look up all the applicable server records */ @@ -151,6 +155,8 @@ error: return ERR_PTR(ret); error_discard: + bdi_destroy(&volume->bdi); +error_bdi: up_write(¶ms->cell->vl_sem); for (loop = volume->nservers - 1; loop >= 0; loop--) @@ -200,6 +206,7 @@ void afs_put_volume(struct afs_volume *volume) for (loop = volume->nservers - 1; loop >= 0; loop--) afs_put_server(volume->servers[loop]); + bdi_destroy(&volume->bdi); kfree(volume); _leave(" [destroyed]"); |