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Diffstat (limited to 'fs/ceph/acl.c')
-rw-r--r--fs/ceph/acl.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
index 59cb307b15fb..027408d55aee 100644
--- a/fs/ceph/acl.c
+++ b/fs/ceph/acl.c
@@ -45,6 +45,7 @@ static inline void ceph_set_cached_acl(struct inode *inode,
struct posix_acl *ceph_get_acl(struct inode *inode, int type)
{
int size;
+ unsigned int retry_cnt = 0;
const char *name;
char *value = NULL;
struct posix_acl *acl;
@@ -60,6 +61,7 @@ struct posix_acl *ceph_get_acl(struct inode *inode, int type)
BUG();
}
+retry:
size = __ceph_getxattr(inode, name, "", 0);
if (size > 0) {
value = kzalloc(size, GFP_NOFS);
@@ -68,12 +70,22 @@ struct posix_acl *ceph_get_acl(struct inode *inode, int type)
size = __ceph_getxattr(inode, name, value, size);
}
- if (size > 0)
+ if (size == -ERANGE && retry_cnt < 10) {
+ retry_cnt++;
+ kfree(value);
+ value = NULL;
+ goto retry;
+ }
+
+ if (size > 0) {
acl = posix_acl_from_xattr(&init_user_ns, value, size);
- else if (size == -ERANGE || size == -ENODATA || size == 0)
+ } else if (size == -ENODATA || size == 0) {
acl = NULL;
- else
+ } else {
+ pr_err_ratelimited("get acl %llx.%llx failed, err=%d\n",
+ ceph_vinop(inode), size);
acl = ERR_PTR(-EIO);
+ }
kfree(value);
@@ -89,6 +101,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
const char *name = NULL;
char *value = NULL;
struct iattr newattrs;
+ struct timespec64 old_ctime = inode->i_ctime;
umode_t new_mode = inode->i_mode, old_mode = inode->i_mode;
switch (type) {
@@ -133,7 +146,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
if (new_mode != old_mode) {
newattrs.ia_ctime = current_time(inode);
newattrs.ia_mode = new_mode;
- newattrs.ia_valid = ATTR_MODE;
+ newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
ret = __ceph_setattr(inode, &newattrs);
if (ret)
goto out_free;
@@ -142,8 +155,9 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
ret = __ceph_setxattr(inode, name, value, size, 0);
if (ret) {
if (new_mode != old_mode) {
+ newattrs.ia_ctime = old_ctime;
newattrs.ia_mode = old_mode;
- newattrs.ia_valid = ATTR_MODE;
+ newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
__ceph_setattr(inode, &newattrs);
}
goto out_free;
@@ -171,10 +185,10 @@ int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
return err;
if (acl) {
- int ret = posix_acl_equiv_mode(acl, mode);
- if (ret < 0)
+ err = posix_acl_equiv_mode(acl, mode);
+ if (err < 0)
goto out_err;
- if (ret == 0) {
+ if (err == 0) {
posix_acl_release(acl);
acl = NULL;
}