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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:37:07 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:37:07 +0200 |
| commit | 424264b7b220e8eee165dc3080ae48692af73dec (patch) | |
| tree | f946baadbb45ae77e76807df3d394aff88dcd801 | |
| parent | f1970c73cbb6b884152207e4dfe90639f5029905 (diff) | |
| download | lwn-424264b7b220e8eee165dc3080ae48692af73dec.tar.gz lwn-424264b7b220e8eee165dc3080ae48692af73dec.zip | |
smbfs: 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/smbfs/inode.c | 8 | ||||
| -rw-r--r-- | include/linux/smb_fs_sb.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c index 1c4c8f089970..dfa1d67f8fca 100644 --- a/fs/smbfs/inode.c +++ b/fs/smbfs/inode.c @@ -479,6 +479,7 @@ smb_put_super(struct super_block *sb) if (server->conn_pid) kill_pid(server->conn_pid, SIGTERM, 1); + bdi_destroy(&server->bdi); kfree(server->ops); smb_unload_nls(server); sb->s_fs_info = NULL; @@ -525,6 +526,11 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent) if (!server) goto out_no_server; sb->s_fs_info = server; + + if (bdi_setup_and_register(&server->bdi, "smbfs", BDI_CAP_MAP_COPY)) + goto out_bdi; + + sb->s_bdi = &server->bdi; server->super_block = sb; server->mnt = NULL; @@ -624,6 +630,8 @@ out_no_smbiod: out_bad_option: kfree(mem); out_no_mem: + bdi_destroy(&server->bdi); +out_bdi: if (!server->mnt) printk(KERN_ERR "smb_fill_super: allocation failure\n"); sb->s_fs_info = NULL; diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h index 8a060a7040d8..bb947dd1fba9 100644 --- a/include/linux/smb_fs_sb.h +++ b/include/linux/smb_fs_sb.h @@ -10,6 +10,7 @@ #define _SMB_FS_SB #include <linux/types.h> +#include <linux/backing-dev.h> #include <linux/smb.h> /* @@ -74,6 +75,8 @@ struct smb_sb_info { struct smb_ops *ops; struct super_block *super_block; + + struct backing_dev_info bdi; }; static inline int |