From: Darrick J. Wong <djwong@xxxxxxxxxx>
Enable syncfs calls in fuse2fs.
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
---
misc/fuse2fs.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index 15595fdf0b19ba..66baca72ad49d1 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -5099,6 +5099,42 @@ static int op_fallocate(const char *path EXT2FS_ATTR((unused)), int mode,
# endif /* SUPPORT_FALLOCATE */
#endif /* FUSE 29 */
+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 18)
+static int op_syncfs(const char *path)
+{
+ struct fuse_context *ctxt = fuse_get_context();
+ struct fuse2fs *ff = (struct fuse2fs *)ctxt->private_data;
+ ext2_filsys fs;
+ errcode_t err;
+ int ret = 0;
+
+ FUSE2FS_CHECK_CONTEXT(ff);
+ dbg_printf(ff, "%s: path=%s\n", __func__, path);
+ fs = fuse2fs_start(ff);
+
+ if (ff->opstate == F2OP_WRITABLE) {
+ if (fs->super->s_error_count)
+ fs->super->s_state |= EXT2_ERROR_FS;
+ ext2fs_mark_super_dirty(fs);
+ err = ext2fs_set_gdt_csum(fs);
+ if (err) {
+ ret = translate_error(fs, 0, err);
+ goto out_unlock;
+ }
+
+ err = ext2fs_flush2(fs, 0);
+ if (err) {
+ ret = translate_error(fs, 0, err);
+ goto out_unlock;
+ }
+ }
+
+out_unlock:
+ fuse2fs_finish(ff, ret);
+ return ret;
+}
+#endif
+
#ifdef HAVE_FUSE_IOMAP
static void fuse2fs_iomap_hole(struct fuse2fs *ff, struct fuse_iomap *iomap,
off_t pos, uint64_t count)
@@ -6301,6 +6337,9 @@ static struct fuse_operations fs_ops = {
.fallocate = op_fallocate,
# endif
#endif
+#if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 18)
+ .syncfs = op_syncfs,
+#endif
#ifdef HAVE_FUSE_IOMAP
.iomap_begin = op_iomap_begin,
.iomap_end = op_iomap_end,
