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authorMiklos Szeredi <mszeredi@redhat.com>2018-03-20 17:11:44 +0100
committerMiklos Szeredi <mszeredi@redhat.com>2018-03-20 17:11:44 +0100
commitff1b89f389a8e64d0a583ce0b0308696f4ab5860 (patch)
tree5a544ca640bfdaa563743af3f4f7669fc34e16bf /fs/fuse
parent73f03c2b4b527346778c711c2734dbff3442b139 (diff)
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')
-rw-r--r--fs/fuse/dir.c9
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 = {