This patch introduces F2FS_GOING_DOWN_METAFLUSH which flushes meta pages like SSA blocks and then blocks all the writes. This can be used by power-failure tests. Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/f2fs.h | 1 + fs/f2fs/file.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index aad4720..f05ae22 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -250,6 +250,7 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size, #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ +#define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ #if defined(__KERNEL__) && defined(CONFIG_COMPAT) /* diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b3985a6..6d3cfd5 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1498,6 +1498,10 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg) case F2FS_GOING_DOWN_NOSYNC: f2fs_stop_checkpoint(sbi); break; + case F2FS_GOING_DOWN_METAFLUSH: + sync_meta_pages(sbi, META, LONG_MAX); + f2fs_stop_checkpoint(sbi); + break; default: return -EINVAL; } -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
