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| author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:26:04 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 12:26:04 +0200 |
| commit | b3d0ab7e60d1865bb6f6a79a77aaba22f2543236 (patch) | |
| tree | bd770d63b01998b8ad1ee0f9fc463465b3586e8a /fs/exofs | |
| parent | 9df9c8b930156a2f9ce2b2ae66acb14bee2663f5 (diff) | |
| download | linux-exynos-b3d0ab7e60d1865bb6f6a79a77aaba22f2543236.tar.gz linux-exynos-b3d0ab7e60d1865bb6f6a79a77aaba22f2543236.tar.bz2 linux-exynos-b3d0ab7e60d1865bb6f6a79a77aaba22f2543236.zip | |
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')
| -rw-r--r-- | fs/exofs/exofs.h | 2 | ||||
| -rw-r--r-- | fs/exofs/super.c | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index 8442e353309f..54373278a353 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -35,6 +35,7 @@ #include <linux/fs.h> #include <linux/time.h> +#include <linux/backing-dev.h> #include "common.h" /* FIXME: Remove once pnfs hits mainline @@ -92,6 +93,7 @@ struct exofs_sb_info { struct exofs_layout layout; /* Default files layout, * contains the variable osd_dev * array. Keep last */ + struct backing_dev_info bdi; struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */ }; diff --git a/fs/exofs/super.c b/fs/exofs/super.c index 18e57ea1e5b4..03149b9a5178 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); |