diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 06:26:04 -0400 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-22 06:26:04 -0400 |
commit | b3d0ab7e60d1865bb6f6a79a77aaba22f2543236 (patch) | |
tree | bd770d63b01998b8ad1ee0f9fc463465b3586e8a /fs | |
parent | 9df9c8b930156a2f9ce2b2ae66acb14bee2663f5 (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')
-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 @@ | |||
35 | 35 | ||
36 | #include <linux/fs.h> | 36 | #include <linux/fs.h> |
37 | #include <linux/time.h> | 37 | #include <linux/time.h> |
38 | #include <linux/backing-dev.h> | ||
38 | #include "common.h" | 39 | #include "common.h" |
39 | 40 | ||
40 | /* FIXME: Remove once pnfs hits mainline | 41 | /* FIXME: Remove once pnfs hits mainline |
@@ -92,6 +93,7 @@ struct exofs_sb_info { | |||
92 | struct exofs_layout layout; /* Default files layout, | 93 | struct exofs_layout layout; /* Default files layout, |
93 | * contains the variable osd_dev | 94 | * contains the variable osd_dev |
94 | * array. Keep last */ | 95 | * array. Keep last */ |
96 | struct backing_dev_info bdi; | ||
95 | struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */ | 97 | struct osd_dev *_min_one_dev[1]; /* Place holder for one dev */ |
96 | }; | 98 | }; |
97 | 99 | ||
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) | |||
302 | _exofs_print_device("Unmounting", NULL, sbi->layout.s_ods[0], | 302 | _exofs_print_device("Unmounting", NULL, sbi->layout.s_ods[0], |
303 | sbi->layout.s_pid); | 303 | sbi->layout.s_pid); |
304 | 304 | ||
305 | bdi_destroy(&sbi->bdi); | ||
305 | exofs_free_sbi(sbi); | 306 | exofs_free_sbi(sbi); |
306 | sb->s_fs_info = NULL; | 307 | sb->s_fs_info = NULL; |
307 | } | 308 | } |
@@ -546,6 +547,10 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent) | |||
546 | if (!sbi) | 547 | if (!sbi) |
547 | return -ENOMEM; | 548 | return -ENOMEM; |
548 | 549 | ||
550 | ret = bdi_setup_and_register(&sbi->bdi, "exofs", BDI_CAP_MAP_COPY); | ||
551 | if (ret) | ||
552 | goto free_bdi; | ||
553 | |||
549 | /* use mount options to fill superblock */ | 554 | /* use mount options to fill superblock */ |
550 | od = osduld_path_lookup(opts->dev_name); | 555 | od = osduld_path_lookup(opts->dev_name); |
551 | if (IS_ERR(od)) { | 556 | if (IS_ERR(od)) { |
@@ -612,6 +617,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent) | |||
612 | } | 617 | } |
613 | 618 | ||
614 | /* set up operation vectors */ | 619 | /* set up operation vectors */ |
620 | sb->s_bdi = &sbi->bdi; | ||
615 | sb->s_fs_info = sbi; | 621 | sb->s_fs_info = sbi; |
616 | sb->s_op = &exofs_sops; | 622 | sb->s_op = &exofs_sops; |
617 | sb->s_export_op = &exofs_export_ops; | 623 | sb->s_export_op = &exofs_export_ops; |
@@ -643,6 +649,8 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent) | |||
643 | return 0; | 649 | return 0; |
644 | 650 | ||
645 | free_sbi: | 651 | free_sbi: |
652 | bdi_destroy(&sbi->bdi); | ||
653 | free_bdi: | ||
646 | EXOFS_ERR("Unable to mount exofs on %s pid=0x%llx err=%d\n", | 654 | EXOFS_ERR("Unable to mount exofs on %s pid=0x%llx err=%d\n", |
647 | opts->dev_name, sbi->layout.s_pid, ret); | 655 | opts->dev_name, sbi->layout.s_pid, ret); |
648 | exofs_free_sbi(sbi); | 656 | exofs_free_sbi(sbi); |