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[PATCH 2/4] export/fuse: Give SET_ATTR_SIZE its own branch
From: |
Max Reitz |
Subject: |
[PATCH 2/4] export/fuse: Give SET_ATTR_SIZE its own branch |
Date: |
Mon, 14 Jun 2021 16:44:05 +0200 |
In order to support changing other attributes than the file size in
fuse_setattr(), we have to give each its own independent branch. This
also applies to the only attribute we do support right now.
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
block/export/fuse.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/block/export/fuse.c b/block/export/fuse.c
index 34a5836ece..1d54286d90 100644
--- a/block/export/fuse.c
+++ b/block/export/fuse.c
@@ -408,20 +408,22 @@ static void fuse_setattr(fuse_req_t req, fuse_ino_t
inode, struct stat *statbuf,
FuseExport *exp = fuse_req_userdata(req);
int ret;
- if (!exp->writable) {
- fuse_reply_err(req, EACCES);
- return;
- }
-
if (to_set & ~FUSE_SET_ATTR_SIZE) {
fuse_reply_err(req, ENOTSUP);
return;
}
- ret = fuse_do_truncate(exp, statbuf->st_size, true, PREALLOC_MODE_OFF);
- if (ret < 0) {
- fuse_reply_err(req, -ret);
- return;
+ if (to_set & FUSE_SET_ATTR_SIZE) {
+ if (!exp->writable) {
+ fuse_reply_err(req, EACCES);
+ return;
+ }
+
+ ret = fuse_do_truncate(exp, statbuf->st_size, true, PREALLOC_MODE_OFF);
+ if (ret < 0) {
+ fuse_reply_err(req, -ret);
+ return;
+ }
}
fuse_getattr(req, inode, fi);
--
2.31.1