When one of superblocks is missing, f2fs recovers it with the valid one. But, even if f2fs is mounted as RO, we'd better notify that too.
Signed-off-by: Jaegeuk Kim <[email protected]> --- fs/f2fs/super.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 179304f..9c0af99 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1293,6 +1293,9 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover) struct buffer_head *bh; int err; + if (f2fs_readonly(sbi->sb) || bdev_read_only(sbi->sb->s_bdev)) + return -EROFS; + /* write back-up superblock first */ bh = sb_getblk(sbi->sb, sbi->valid_super_block ? 0: 1); if (!bh) @@ -1560,7 +1563,7 @@ try_onemore: kfree(options); /* recover broken superblock */ - if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) { + if (recovery) { err = f2fs_commit_super(sbi, true); f2fs_msg(sb, KERN_INFO, "Try to recover %dth superblock, ret: %ld", -- 2.6.3 ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
