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authorKent Overstreet <kent.overstreet@gmail.com>2021-05-19 21:21:49 -0400
committerKent Overstreet <kent.overstreet@gmail.com>2021-05-19 21:35:54 -0400
commit83462182b7f1d3bf9205fed508ffee5235c43256 (patch)
treeeda6e60b63dfdb49c0990853e04ec67d59b8899d
parentdfd8ef7343065ba961167bf4c89752ed4f286534 (diff)
bcachefs: Make bch2_remap_range respect O_SYNC
Caught by xfstest generic/628 Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
-rw-r--r--fs/bcachefs/fs-io.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 33c8ac17703d..174ec3004370 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -2935,6 +2935,11 @@ 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);