Author: kib
Date: Wed Jul 27 08:53:11 2016
New Revision: 303376
URL: https://svnweb.freebsd.org/changeset/base/303376
Log:
MFC r303090:
Ensure that the UFS directory vnode' vm_object is properly sized
before UFS_BALLOC() is called.
Modified:
stable/10/sys/ufs/ufs/ufs_lookup.c
stable/10/sys/ufs/ufs/ufs_vnops.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/ufs/ufs/ufs_lookup.c
==============================================================================
--- stable/10/sys/ufs/ufs/ufs_lookup.c Wed Jul 27 08:47:24 2016
(r303375)
+++ stable/10/sys/ufs/ufs/ufs_lookup.c Wed Jul 27 08:53:11 2016
(r303376)
@@ -881,6 +881,7 @@ ufs_direnter(dvp, tvp, dirp, cnp, newdir
struct buf *bp;
u_int dsize;
struct direct *ep, *nep;
+ u_int64_t old_isize;
int error, ret, blkoff, loc, spacefree, flags, namlen;
char *dirbuf;
@@ -909,16 +910,18 @@ ufs_direnter(dvp, tvp, dirp, cnp, newdir
return (error);
}
#endif
+ old_isize = dp->i_size;
+ vnode_pager_setsize(dvp, (u_long)dp->i_offset + DIRBLKSIZ);
if ((error = UFS_BALLOC(dvp, (off_t)dp->i_offset, DIRBLKSIZ,
cr, flags, &bp)) != 0) {
if (DOINGSOFTDEP(dvp) && newdirbp != NULL)
bdwrite(newdirbp);
+ vnode_pager_setsize(dvp, (u_long)old_isize);
return (error);
}
dp->i_size = dp->i_offset + DIRBLKSIZ;
DIP_SET(dp, i_size, dp->i_size);
dp->i_flag |= IN_CHANGE | IN_UPDATE;
- vnode_pager_setsize(dvp, (u_long)dp->i_size);
dirp->d_reclen = DIRBLKSIZ;
blkoff = dp->i_offset &
(VFSTOUFS(dvp->v_mount)->um_mountp->mnt_stat.f_iosize - 1);
Modified: stable/10/sys/ufs/ufs/ufs_vnops.c
==============================================================================
--- stable/10/sys/ufs/ufs/ufs_vnops.c Wed Jul 27 08:47:24 2016
(r303375)
+++ stable/10/sys/ufs/ufs/ufs_vnops.c Wed Jul 27 08:53:11 2016
(r303376)
@@ -1914,13 +1914,13 @@ ufs_mkdir(ap)
dirtemplate = *dtp;
dirtemplate.dot_ino = ip->i_number;
dirtemplate.dotdot_ino = dp->i_number;
+ vnode_pager_setsize(tvp, DIRBLKSIZ);
if ((error = UFS_BALLOC(tvp, (off_t)0, DIRBLKSIZ, cnp->cn_cred,
BA_CLRBUF, &bp)) != 0)
goto bad;
ip->i_size = DIRBLKSIZ;
DIP_SET(ip, i_size, DIRBLKSIZ);
ip->i_flag |= IN_CHANGE | IN_UPDATE;
- vnode_pager_setsize(tvp, (u_long)ip->i_size);
bcopy((caddr_t)&dirtemplate, (caddr_t)bp->b_data, sizeof dirtemplate);
if (DOINGSOFTDEP(tvp)) {
/*
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