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| author |   Miklos Szeredi <mszeredi@redhat.com> | 2018-03-20 17:11:44 +0100 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-03-20 17:11:44 +0100 |
| commit | ff1b89f389a8e64d0a583ce0b0308696f4ab5860 (patch) | |
| tree | 5a544ca640bfdaa563743af3f4f7669fc34e16bf /fs/fuse/dir.c | |
| parent | fuse: Restrict allow_other to the superblock's namespace or a descendant (diff) | |
| download | linux-dev-ff1b89f389a8e64d0a583ce0b0308696f4ab5860.tar.xz linux-dev-ff1b89f389a8e64d0a583ce0b0308696f4ab5860.zip | |
fuse: honor AT_STATX_DONT_SYNC
The description of this flag says "Don't sync attributes with the server".
In other words: always use the attributes cached in the kernel and don't
send network or local messages to refresh the attributes.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/dir.c')
| -rw-r--r-- | fs/fuse/dir.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index fa4009761a7a..ef883f0bee8f 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -924,12 +924,13 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat, } static int fuse_update_get_attr(struct inode *inode, struct file *file, - struct kstat *stat) + struct kstat *stat, unsigned int flags) { struct fuse_inode *fi = get_fuse_inode(inode); int err = 0; - if (time_before64(fi->i_time, get_jiffies_64())) { + if (!(flags & AT_STATX_DONT_SYNC) && + time_before64(fi->i_time, get_jiffies_64())) { forget_all_cached_acls(inode); err = fuse_do_getattr(inode, stat, file); } else if (stat) { @@ -943,7 +944,7 @@ static int fuse_update_get_attr(struct inode *inode, struct file *file, int fuse_update_attributes(struct inode *inode, struct file *file) { - return fuse_update_get_attr(inode, file, NULL); + return fuse_update_get_attr(inode, file, NULL, 0); } int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, @@ -1794,7 +1795,7 @@ static int fuse_getattr(const struct path *path, struct kstat *stat, if (!fuse_allow_current_process(fc)) return -EACCES; - return fuse_update_get_attr(inode, NULL, stat); + return fuse_update_get_attr(inode, NULL, stat, flags); } static const struct inode_operations fuse_dir_inode_operations = { |