korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-02 08:34:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

fuse: take cache_mask into account in getattr

Browse Source 
When deciding to send a GETATTR request take into account the cache mask
(which attributes are always valid).  The cache mask takes precedence over
the invalid mask.

This results in the GETATTR request not being sent unnecessarily.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2021-10-22 17:03:03 +02:00
parent 4b52f059b5
commit ec85537519
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/fuse/dir.c
View File

@ -1021,12 +1021,14 @@ static int fuse_update_get_attr(struct inode *inode, struct file *file,
struct fuse_inode *fi = get_fuse_inode(inode);
int err = 0;
bool sync;
u32 inval_mask = READ_ONCE(fi->inval_mask);
u32 cache_mask = fuse_get_cache_mask(inode);
if (flags & AT_STATX_FORCE_SYNC)
sync = true;
else if (flags & AT_STATX_DONT_SYNC)
sync = false;
else if (request_mask & READ_ONCE(fi->inval_mask))
else if (request_mask & inval_mask & ~cache_mask)
sync = true;
else
sync = time_before64(fi->i_time, get_jiffies_64());