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fuse: handle empty request_mask in statx

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If no attribute is requested, then don't send request to userspace.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2023-08-10 12:45:05 +02:00
parent b5a2a3a0b7
commit 8d8f9c4b8d
1 changed files with 6 additions and 1 deletions
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7
fs/fuse/dir.c
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@ -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;