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Return an error code from zfs_acl_chmod_setattr 

The FreeBSD implementation can fail, allow this function to
fail and add the required error handling for Linux.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9541
This commit is contained in:
Matthew Macy 2019-11-01 10:19:11 -07:00 committed by Brian Behlendorf
parent c4ae27c763
commit 156f74fc03
3 changed files with 6 additions and 3 deletions
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2
include/sys/zfs_acl.h
View File

@ -220,7 +220,7 @@ int zfs_fastaccesschk_execute(struct znode *, cred_t *);
extern int zfs_zaccess_rwx(struct znode *, mode_t, int, cred_t *);
extern int zfs_zaccess_unix(struct znode *, mode_t, cred_t *);
extern int zfs_acl_access(struct znode *, int, cred_t *);
void zfs_acl_chmod_setattr(struct znode *, zfs_acl_t **, uint64_t);
int zfs_acl_chmod_setattr(struct znode *, zfs_acl_t **, uint64_t);
int zfs_zaccess_delete(struct znode *, struct znode *, cred_t *);
int zfs_zaccess_rename(struct znode *, struct znode *,
struct znode *, struct znode *, cred_t *cr);

4
module/os/linux/zfs/zfs_acl.c
View File

@ -1570,7 +1570,7 @@ zfs_acl_chmod(zfsvfs_t *zfsvfs, uint64_t mode, zfs_acl_t *aclp)
list_insert_tail(&aclp->z_acl, newnode);
}
void
int
zfs_acl_chmod_setattr(znode_t *zp, zfs_acl_t **aclp, uint64_t mode)
{
mutex_enter(&zp->z_acl_lock);
@ -1581,6 +1581,8 @@ zfs_acl_chmod_setattr(znode_t *zp, zfs_acl_t **aclp, uint64_t mode)
mutex_exit(&zp->z_lock);
mutex_exit(&zp->z_acl_lock);
ASSERT(*aclp);
return (0);
}
/*

3
module/os/linux/zfs/zfs_vnops.c
View File

@ -3252,7 +3252,8 @@ top:
uint64_t acl_obj;
new_mode = (pmode & S_IFMT) | (vap->va_mode & ~S_IFMT);
zfs_acl_chmod_setattr(zp, &aclp, new_mode);
if ((err = zfs_acl_chmod_setattr(zp, &aclp, new_mode)))
goto out;
mutex_enter(&zp->z_lock);
if (!zp->z_is_sa && ((acl_obj = zfs_external_acl(zp)) != 0)) {