svn commit: r367890 - head/sys/fs/msdosfs
Konstantin Belousov
kib at FreeBSD.org
Fri Nov 20 12:31:03 UTC 2020
Author: kib
Date: Fri Nov 20 12:31:02 2020
New Revision: 367890
URL: https://svnweb.freebsd.org/changeset/base/367890
Log:
msdosfs: Add trivial support for suspension.
Tested by: pho (previous version)
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D27269
Modified:
head/sys/fs/msdosfs/msdosfs_vfsops.c
head/sys/fs/msdosfs/msdosfs_vnops.c
Modified: head/sys/fs/msdosfs/msdosfs_vfsops.c
==============================================================================
--- head/sys/fs/msdosfs/msdosfs_vfsops.c Fri Nov 20 11:45:08 2020 (r367889)
+++ head/sys/fs/msdosfs/msdosfs_vfsops.c Fri Nov 20 12:31:02 2020 (r367890)
@@ -950,6 +950,12 @@ loop:
error = msdosfs_fsiflush(pmp, waitfor);
if (error != 0)
allerror = error;
+
+ if (allerror == 0 && waitfor == MNT_SUSPEND) {
+ MNT_ILOCK(mp);
+ mp->mnt_kern_flag |= MNTK_SUSPEND2 | MNTK_SUSPENDED;
+ MNT_IUNLOCK(mp);
+ }
return (allerror);
}
Modified: head/sys/fs/msdosfs/msdosfs_vnops.c
==============================================================================
--- head/sys/fs/msdosfs/msdosfs_vnops.c Fri Nov 20 11:45:08 2020 (r367889)
+++ head/sys/fs/msdosfs/msdosfs_vnops.c Fri Nov 20 12:31:02 2020 (r367890)
@@ -848,7 +848,7 @@ msdosfs_fsync(struct vop_fsync_args *ap)
* Non-critical metadata for associated directory entries only
* gets synced accidentally, as in most file systems.
*/
- if (ap->a_waitfor == MNT_WAIT) {
+ if (ap->a_waitfor != MNT_NOWAIT) {
devvp = VTODE(ap->a_vp)->de_pmp->pm_devvp;
vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
allerror = VOP_FSYNC(devvp, MNT_WAIT, ap->a_td);
@@ -856,7 +856,7 @@ msdosfs_fsync(struct vop_fsync_args *ap)
} else
allerror = 0;
- error = deupdat(VTODE(ap->a_vp), ap->a_waitfor == MNT_WAIT);
+ error = deupdat(VTODE(ap->a_vp), ap->a_waitfor != MNT_NOWAIT);
if (allerror == 0)
allerror = error;
return (allerror);
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