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ext2fs: remove remnants of the UFS snapshot code

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Noted and reviewed by:	mckusick
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D34095
This commit is contained in:
Konstantin Belousov 2022-01-30 03:52:27 +02:00
parent 85f7e9a4f0
commit 9cd59de2e1
2 changed files with 2 additions and 13 deletions
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13
sys/fs/ext2fs/ext2_bmap.c
View File

@ -308,17 +308,6 @@ ext2_bmaparray(struct vnode *vp, daddr_t bn, daddr_t *bnp, int *runp, int *runb)
if (bp)
bqrelse(bp);
/*
* Since this is FFS independent code, we are out of scope for the
* definitions of BLK_NOCOPY and BLK_SNAP, but we do know that they
* will fall in the range 1..um_seqinc, so we use that test and
* return a request for a zeroed out buffer if attempts are made
* to read a BLK_NOCOPY or BLK_SNAP block.
*/
if ((ip->i_flags & SF_SNAPSHOT) && daddr > 0 && daddr < ump->um_seqinc) {
*bnp = -1;
return (0);
}
*bnp = blkptrtodb(ump, daddr);
if (*bnp == 0) {
*bnp = -1;
@ -356,7 +345,7 @@ ext2_bmap_seekdata(struct vnode *vp, off_t *offp)
mp = vp->v_mount;
ump = VFSTOEXT2(mp);
if (vp->v_type != VREG || (ip->i_flags & SF_SNAPSHOT) != 0)
if (vp->v_type != VREG)
return (EINVAL);
if (*offp < 0 || *offp >= ip->i_size)
return (ENXIO);

2
sys/fs/ext2fs/ext2_vnops.c
View File

@ -339,7 +339,7 @@ ext2_access(struct vop_access_args *ap)
}
/* If immutable bit set, nobody gets to write it. */
if ((accmode & VWRITE) && (ip->i_flags & (SF_IMMUTABLE | SF_SNAPSHOT)))
if ((accmode & VWRITE) && (ip->i_flags & SF_IMMUTABLE))
return (EPERM);
error = vaccess(vp->v_type, ip->i_mode, ip->i_uid, ip->i_gid,