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Linux 6.3 compat: idmapped mount API changes

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Linux kernel 6.3 changed a bunch of APIs to use the dedicated idmap 
type for mounts (struct mnt_idmap), we need to detect these changes 
and make zfs work with the new APIs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Youzhong Yang <yyang@mathworks.com>
Closes #14682
This commit is contained in:
youzhongyang
2023-04-10 17:15:36 -04:00
committed by GitHub
parent d0cbd9feaf
commit d4dc53dad2
40 changed files with 823 additions and 296 deletions
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module/os/linux/zfs/zpl_file.c
+5 -5
View File
@@ -1049,7 +1049,7 @@ __zpl_ioctl_setflags(struct inode *ip, uint32_t ioctl_flags, xvattr_t *xva)
!capable(CAP_LINUX_IMMUTABLE))
return (-EPERM);
if (!zpl_inode_owner_or_capable(kcred->user_ns, ip))
if (!zpl_inode_owner_or_capable(zfs_init_idmap, ip))
return (-EACCES);
xva_init(xva);
@@ -1096,7 +1096,7 @@ zpl_ioctl_setflags(struct file *filp, void __user *arg)
crhold(cr);
cookie = spl_fstrans_mark();
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, kcred->user_ns);
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, zfs_init_idmap);
spl_fstrans_unmark(cookie);
crfree(cr);
@@ -1144,7 +1144,7 @@ zpl_ioctl_setxattr(struct file *filp, void __user *arg)
crhold(cr);
cookie = spl_fstrans_mark();
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, kcred->user_ns);
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, zfs_init_idmap);
spl_fstrans_unmark(cookie);
crfree(cr);
@@ -1179,7 +1179,7 @@ __zpl_ioctl_setdosflags(struct inode *ip, uint64_t ioctl_flags, xvattr_t *xva)
!capable(CAP_LINUX_IMMUTABLE))
return (-EPERM);
if (!zpl_inode_owner_or_capable(kcred->user_ns, ip))
if (!zpl_inode_owner_or_capable(zfs_init_idmap, ip))
return (-EACCES);
xva_init(xva);
@@ -1232,7 +1232,7 @@ zpl_ioctl_setdosflags(struct file *filp, void __user *arg)
crhold(cr);
cookie = spl_fstrans_mark();
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, kcred->user_ns);
err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr, zfs_init_idmap);
spl_fstrans_unmark(cookie);
crfree(cr);