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-rw-r--r--fs/fuse/dir.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index f62ab8eedb5f..843dcf1222eb 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1518,7 +1518,7 @@ static bool update_mtime(unsigned ivalid, bool trust_local_mtime)
}
static void iattr_to_fattr(struct iattr *iattr, struct fuse_setattr_in *arg,
- bool trust_local_mtime)
+ bool trust_local_cmtime)
{
unsigned ivalid = iattr->ia_valid;
@@ -1537,13 +1537,18 @@ static void iattr_to_fattr(struct iattr *iattr, struct fuse_setattr_in *arg,
if (!(ivalid & ATTR_ATIME_SET))
arg->valid |= FATTR_ATIME_NOW;
}
- if ((ivalid & ATTR_MTIME) && update_mtime(ivalid, trust_local_mtime)) {
+ if ((ivalid & ATTR_MTIME) && update_mtime(ivalid, trust_local_cmtime)) {
arg->valid |= FATTR_MTIME;
arg->mtime = iattr->ia_mtime.tv_sec;
arg->mtimensec = iattr->ia_mtime.tv_nsec;
- if (!(ivalid & ATTR_MTIME_SET) && !trust_local_mtime)
+ if (!(ivalid & ATTR_MTIME_SET) && !trust_local_cmtime)
arg->valid |= FATTR_MTIME_NOW;
}
+ if ((ivalid & ATTR_CTIME) && trust_local_cmtime) {
+ arg->valid |= FATTR_CTIME;
+ arg->ctime = iattr->ia_ctime.tv_sec;
+ arg->ctimensec = iattr->ia_ctime.tv_nsec;
+ }
}
/*
@@ -1666,7 +1671,7 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr,
bool is_wb = fc->writeback_cache;
loff_t oldsize;
int err;
- bool trust_local_mtime = is_wb && S_ISREG(inode->i_mode);
+ bool trust_local_cmtime = is_wb && S_ISREG(inode->i_mode);
if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS))
attr->ia_valid |= ATTR_FORCE;
@@ -1691,13 +1696,13 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr,
if (is_truncate) {
fuse_set_nowrite(inode);
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
- if (trust_local_mtime && attr->ia_size != inode->i_size)
- attr->ia_valid |= ATTR_MTIME;
+ if (trust_local_cmtime && attr->ia_size != inode->i_size)
+ attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
}
memset(&inarg, 0, sizeof(inarg));
memset(&outarg, 0, sizeof(outarg));
- iattr_to_fattr(attr, &inarg, trust_local_mtime);
+ iattr_to_fattr(attr, &inarg, trust_local_cmtime);
if (file) {
struct fuse_file *ff = file->private_data;
inarg.valid |= FATTR_FH;
@@ -1726,8 +1731,11 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr,
spin_lock(&fc->lock);
/* the kernel maintains i_mtime locally */
- if (trust_local_mtime && (attr->ia_valid & ATTR_MTIME)) {
- inode->i_mtime = attr->ia_mtime;
+ if (trust_local_cmtime) {
+ if (attr->ia_valid & ATTR_MTIME)
+ inode->i_mtime = attr->ia_mtime;
+ if (attr->ia_valid & ATTR_CTIME)
+ inode->i_ctime = attr->ia_ctime;
/* FIXME: clear I_DIRTY_SYNC? */
}