redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

gfs2: Stop messing with ip->i_rgd in the rlist code 

In the resource group list code, keep the last resource group added in
the last position in the array.  Check against that instead of messing
with ip->i_rgd.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
hifive-unleashed-5.1
Andreas Gruenbacher 2018-06-21 07:22:12 -05:00
parent ee9c7f9ae3
commit 03f8c41c73
1 changed files with 22 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
fs/gfs2/rgrp.c
View File

@ -2559,19 +2559,35 @@ void gfs2_rlist_add(struct gfs2_inode *ip, struct gfs2_rgrp_list *rlist,
if (gfs2_assert_warn(sdp, !rlist->rl_ghs))
return;
if (ip->i_rgd && rgrp_contains_block(ip->i_rgd, block))
rgd = ip->i_rgd;
else
/*
* The resource group last accessed is kept in the last position.
*/
if (rlist->rl_rgrps) {
rgd = rlist->rl_rgd[rlist->rl_rgrps - 1];
if (rgrp_contains_block(rgd, block))
return;
rgd = gfs2_blk2rgrpd(sdp, block, 1);
} else {
rgd = ip->i_rgd;
if (!rgd || !rgrp_contains_block(rgd, block))
rgd = gfs2_blk2rgrpd(sdp, block, 1);
}
if (!rgd) {
fs_err(sdp, "rlist_add: no rgrp for block %llu\n", (unsigned long long)block);
fs_err(sdp, "rlist_add: no rgrp for block %llu\n",
(unsigned long long)block);
return;
}
ip->i_rgd = rgd;
for (x = 0; x < rlist->rl_rgrps; x++)
if (rlist->rl_rgd[x] == rgd)
for (x = 0; x < rlist->rl_rgrps; x++) {
if (rlist->rl_rgd[x] == rgd) {
swap(rlist->rl_rgd[x],
rlist->rl_rgd[rlist->rl_rgrps - 1]);
return;
}
}
if (rlist->rl_rgrps == rlist->rl_space) {
new_space = rlist->rl_space + 10;