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bcachefs: Make bch2_remap_range respect O_SYNC

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Caught by xfstest generic/628

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-05-19 21:21:49 -04:00 committed by Kent Overstreet
parent d6462f494d
commit e7084c9c81
1 changed files with 5 additions and 0 deletions
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5
fs/bcachefs/fs-io.c
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@ -2941,6 +2941,11 @@ loff_t bch2_remap_file_range(struct file *file_src, loff_t pos_src,
if (pos_dst + ret > dst->v.i_size)
i_size_write(&dst->v, pos_dst + ret);
spin_unlock(&dst->v.i_lock);
if (((file_dst->f_flags & (__O_SYNC | O_DSYNC)) ||
IS_SYNC(file_inode(file_dst))) &&
!c->opts.journal_flush_disabled)
ret = bch2_journal_flush_seq(&c->journal, dst->ei_journal_seq);
err:
bch2_unlock_inodes(INODE_LOCK|INODE_PAGECACHE_BLOCK, src, dst);