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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-04-15 09:43:17 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-04-26 14:24:59 -0700 |
| commit | 608514deba38c8611ad330d6a3c8e2b9a1f68e4b (patch) | |
| tree | 7ad9dc7a46b492be6e0a7ed5f2d22f57bd7676eb /fs/f2fs/file.c | |
| parent | c267ec1526da2d3b12c80a89ebd8eb9b6a01d636 (diff) | |
| download | linux-608514deba38c8611ad330d6a3c8e2b9a1f68e4b.tar.gz linux-608514deba38c8611ad330d6a3c8e2b9a1f68e4b.tar.bz2 linux-608514deba38c8611ad330d6a3c8e2b9a1f68e4b.zip | |
f2fs: set fsync mark only for the last dnode
In order to give atomic writes, we should consider power failure during
sync_node_pages in fsync.
So, this patch marks fsync flag only in the last dnode block.
Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 60fd64c59cce..dc47d5c7b882 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -182,7 +182,8 @@ static void try_to_fix_pino(struct inode *inode) } } -int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) +static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, + int datasync, bool atomic) { struct inode *inode = file->f_mapping->host; struct f2fs_inode_info *fi = F2FS_I(inode); @@ -256,7 +257,7 @@ go_write: goto out; } sync_nodes: - ret = fsync_node_pages(sbi, ino, &wbc); + ret = fsync_node_pages(sbi, ino, &wbc, atomic); if (ret) goto out; @@ -290,6 +291,11 @@ out: return ret; } +int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) +{ + return f2fs_do_sync_file(file, start, end, datasync, false); +} + static pgoff_t __get_first_dirty_index(struct address_space *mapping, pgoff_t pgofs, int whence) { @@ -1407,7 +1413,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) } } - ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0); + ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); err_out: mnt_drop_write_file(filp); return ret; @@ -1465,7 +1471,7 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) drop_inmem_pages(inode); if (f2fs_is_volatile_file(inode)) { clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); - ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0); + ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); } mnt_drop_write_file(filp); |