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authorJens Axboe <jens.axboe@oracle.com>2010-04-22 12:26:04 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-04-22 12:26:04 +0200
commitb3d0ab7e60d1865bb6f6a79a77aaba22f2543236 (patch)
treebd770d63b01998b8ad1ee0f9fc463465b3586e8a /fs/exofs/super.c
parent9df9c8b930156a2f9ce2b2ae66acb14bee2663f5 (diff)
exofs: 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/exofs/super.c')
-rw-r--r--fs/exofs/super.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 18e57ea1e5b..03149b9a517 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -302,6 +302,7 @@ static void exofs_put_super(struct super_block *sb)
_exofs_print_device("Unmounting", NULL, sbi->layout.s_ods[0],
sbi->layout.s_pid);
+ bdi_destroy(&sbi->bdi);
exofs_free_sbi(sbi);
sb->s_fs_info = NULL;
}
@@ -546,6 +547,10 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
if (!sbi)
return -ENOMEM;
+ ret = bdi_setup_and_register(&sbi->bdi, "exofs", BDI_CAP_MAP_COPY);
+ if (ret)
+ goto free_bdi;
+
/* use mount options to fill superblock */
od = osduld_path_lookup(opts->dev_name);
if (IS_ERR(od)) {
@@ -612,6 +617,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
}
/* set up operation vectors */
+ sb->s_bdi = &sbi->bdi;
sb->s_fs_info = sbi;
sb->s_op = &exofs_sops;
sb->s_export_op = &exofs_export_ops;
@@ -643,6 +649,8 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
return 0;
free_sbi:
+ bdi_destroy(&sbi->bdi);
+free_bdi:
EXOFS_ERR("Unable to mount exofs on %s pid=0x%llx err=%d\n",
opts->dev_name, sbi->layout.s_pid, ret);
exofs_free_sbi(sbi);