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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:12:40 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:12:40 +0200 |
| commit | 5163d90076729413cb882d3dd5c3d3cfb5b9f035 (patch) | |
| tree | b2e3419e481f4373bb511642953f6faca5157a51 | |
| parent | 8044f7f468469c80031611206d554f86fcdfe704 (diff) | |
| download | op-kernel-dev-5163d90076729413cb882d3dd5c3d3cfb5b9f035.zip op-kernel-dev-5163d90076729413cb882d3dd5c3d3cfb5b9f035.tar.gz | |
coda: add bdi backing to mount session
This ensures that dirty data gets flushed properly.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | fs/coda/inode.c | 8 | ||||
| -rw-r--r-- | include/linux/coda_psdev.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/fs/coda/inode.c b/fs/coda/inode.c index a1695dc..d97f993 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -167,6 +167,10 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) return -EBUSY; } + error = bdi_setup_and_register(&vc->bdi, "coda", BDI_CAP_MAP_COPY); + if (error) + goto bdi_err; + vc->vc_sb = sb; sb->s_fs_info = vc; @@ -175,6 +179,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) sb->s_blocksize_bits = 12; sb->s_magic = CODA_SUPER_MAGIC; sb->s_op = &coda_super_operations; + sb->s_bdi = &vc->bdi; /* get root fid from Venus: this needs the root inode */ error = venus_rootfid(sb, &fid); @@ -200,6 +205,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) return 0; error: + bdi_destroy(&vc->bdi); + bdi_err: if (root) iput(root); if (vc) @@ -210,6 +217,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) static void coda_put_super(struct super_block *sb) { + bdi_destroy(&coda_vcp(sb)->bdi); coda_vcp(sb)->vc_sb = NULL; sb->s_fs_info = NULL; diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 5b5d473..644062e8 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -1,6 +1,7 @@ #ifndef __CODA_PSDEV_H #define __CODA_PSDEV_H +#include <linux/backing-dev.h> #include <linux/magic.h> #define CODA_PSDEV_MAJOR 67 @@ -17,6 +18,7 @@ struct venus_comm { struct list_head vc_processing; int vc_inuse; struct super_block *vc_sb; + struct backing_dev_info bdi; }; |
