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| author | Miklos Szeredi <mszeredi@redhat.com> | 2023-08-10 12:45:05 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2023-08-16 12:39:24 +0200 |
| commit | 8d8f9c4b8df6bc2bf005c91b73b23a0e60f0e413 (patch) | |
| tree | b0d5fbb248041576686467d2635fc0b934200856 /fs/fuse | |
| parent | b5a2a3a0b77668257fa72ee6bc0eac90493f13c1 (diff) | |
| download | lwn-8d8f9c4b8df6bc2bf005c91b73b23a0e60f0e413.tar.gz lwn-8d8f9c4b8df6bc2bf005c91b73b23a0e60f0e413.zip | |
fuse: handle empty request_mask in statx
If no attribute is requested, then don't send request to userspace.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/dir.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index f67bef9d83c4..d38ab93e2007 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1209,7 +1209,12 @@ static int fuse_update_get_attr(struct inode *inode, struct file *file, u32 inval_mask = READ_ONCE(fi->inval_mask); u32 cache_mask = fuse_get_cache_mask(inode); - if (flags & AT_STATX_FORCE_SYNC) + /* FUSE only supports basic stats */ + request_mask &= STATX_BASIC_STATS; + + if (!request_mask) + sync = false; + else if (flags & AT_STATX_FORCE_SYNC) sync = true; else if (flags & AT_STATX_DONT_SYNC) sync = false; |