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Groups > linux.kernel > #1242921
| From | Jaegeuk Kim <jaegeuk@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/2] f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure |
| Date | 2015-10-09 02:40 +0200 |
| Message-ID | <qhtT6-2Qh-67@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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@kernel.org> --- 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-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 1/2] f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure Jaegeuk Kim <jaegeuk@kernel.org> - 2015-10-09 02:40 +0200
RE: [f2fs-dev] [PATCH 1/2] f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure Chao Yu <chao2.yu@samsung.com> - 2015-10-12 11:10 +0200
Re: [f2fs-dev] [PATCH 1/2] f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure Jaegeuk Kim <jaegeuk@kernel.org> - 2015-10-12 22:40 +0200
RE: [f2fs-dev] [PATCH 1/2] f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure Chao Yu <chao2.yu@samsung.com> - 2015-10-13 05:40 +0200
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