diff options
| author | Christoph Hellwig <hch@lst.de> | 2009-06-08 10:03:58 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-11 21:36:15 -0400 |
| commit | 80e09fb942d38beb19dcffbeb14d496beeb0a989 (patch) | |
| tree | cdaa5cf4baf745ee4c83b8e03cb75581e7ea1ffa /fs/exofs | |
| parent | 561e47ce7244168788d4ecef9a2271df204b3c89 (diff) | |
exofs: add ->sync_fs
Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/exofs')
| -rw-r--r-- | fs/exofs/super.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/exofs/super.c b/fs/exofs/super.c index 49e16af4e61..8216c5b77b5 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -200,18 +200,18 @@ static const struct export_operations exofs_export_ops; /* * Write the superblock to the OSD */ -static void exofs_write_super(struct super_block *sb) +static int exofs_sync_fs(struct super_block *sb, int wait) { struct exofs_sb_info *sbi; struct exofs_fscb *fscb; struct osd_request *or; struct osd_obj_id obj; - int ret; + int ret = -ENOMEM; fscb = kzalloc(sizeof(struct exofs_fscb), GFP_KERNEL); if (!fscb) { EXOFS_ERR("exofs_write_super: memory allocation failed.\n"); - return; + return -ENOMEM; } lock_super(sb); @@ -249,6 +249,15 @@ out: unlock_kernel(); unlock_super(sb); kfree(fscb); + return ret; +} + +static void exofs_write_super(struct super_block *sb) +{ + if (!(sb->s_flags & MS_RDONLY)) + exofs_sync_fs(sb, 1); + else + sb->s_dirt = 0; } /* @@ -493,6 +502,7 @@ static const struct super_operations exofs_sops = { .delete_inode = exofs_delete_inode, .put_super = exofs_put_super, .write_super = exofs_write_super, + .sync_fs = exofs_sync_fs, .statfs = exofs_statfs, }; |