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authorJens Axboe <jens.axboe@oracle.com>2010-04-22 12:12:40 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-04-22 12:12:40 +0200
commit5163d90076729413cb882d3dd5c3d3cfb5b9f035 (patch)
treeb2e3419e481f4373bb511642953f6faca5157a51 /fs/coda/inode.c
parent8044f7f468469c80031611206d554f86fcdfe704 (diff)
downloadop-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>
Diffstat (limited to 'fs/coda/inode.c')
-rw-r--r--fs/coda/inode.c8
1 files changed, 8 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;
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