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| author | Salah Triki <salah.triki@gmail.com> | 2016-08-09 15:46:04 +0200 |
|---|---|---|
| committer | Luis de Bethencourt <luisbg@osg.samsung.com> | 2016-10-08 11:01:27 +0200 |
| commit | 6ea4558f9b373b588162e5d3523bc65fcf669b06 (patch) | |
| tree | 18fe35d58b8a866a664feda907db2e107bb1ef4c | |
| parent | befs: fix typo in befs_find_key (diff) | |
| download | linux-6ea4558f9b373b588162e5d3523bc65fcf669b06.tar.xz linux-6ea4558f9b373b588162e5d3523bc65fcf669b06.zip | |
befs: add flags field to validate superblock state
For validating superblock state, add flags field to befs_sb_info, read the state from the disk
and check if it is equal to BEFS_DIRTY.
Signed-off-by: Salah Triki <salah.triki@gmail.com>
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
| -rw-r--r-- | fs/befs/befs.h | 3 | ||||
| -rw-r--r-- | fs/befs/super.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/fs/befs/befs.h b/fs/befs/befs.h index a8ca7fcf0795..af8ea961e88f 100644 --- a/fs/befs/befs.h +++ b/fs/befs/befs.h @@ -43,6 +43,9 @@ struct befs_sb_info { u32 ag_shift; u32 num_ags; + /* State of the superblock */ + u32 flags; + /* jornal log entry */ befs_block_run log_blocks; befs_off_t log_start; diff --git a/fs/befs/super.c b/fs/befs/super.c index 9d1b56cd6f19..dc13df8de3e8 100644 --- a/fs/befs/super.c +++ b/fs/befs/super.c @@ -45,6 +45,8 @@ befs_load_sb(struct super_block *sb, befs_super_block * disk_sb) befs_sb->ag_shift = fs32_to_cpu(sb, disk_sb->ag_shift); befs_sb->num_ags = fs32_to_cpu(sb, disk_sb->num_ags); + befs_sb->flags = fs32_to_cpu(sb, disk_sb->flags); + befs_sb->log_blocks = fsrun_to_cpu(sb, disk_sb->log_blocks); befs_sb->log_start = fs64_to_cpu(sb, disk_sb->log_start); befs_sb->log_end = fs64_to_cpu(sb, disk_sb->log_end); @@ -101,7 +103,7 @@ befs_check_sb(struct super_block *sb) return BEFS_ERR; } - if (befs_sb->log_start != befs_sb->log_end) { + if (befs_sb->log_start != befs_sb->log_end || befs_sb->flags == BEFS_DIRTY) { befs_error(sb, "Filesystem not clean! There are blocks in the " "journal. You must boot into BeOS and mount this volume " "to make it clean."); |