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[GFS2] gfs2_adjust_quota has broken unstuffing code 

This patch combines the 2 patches in bug 434736 to correct the lock
ordering in the unstuffing of the quota inode in gfs2_adjust_quota and
adjusting the number of revokes in gfs2_write_jdata_pagevec

Signed-off-by: Abhijith Das <adas@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Abhijith Das 2008-03-06 17:43:52 -06:00 committed by Steven Whitehouse
parent 182fe5abd8
commit 20b95bf2c4
2 changed files with 32 additions and 44 deletions
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3
fs/gfs2/ops_address.c
View File

@ -21,7 +21,6 @@
#include <linux/gfs2_ondisk.h>
#include <linux/lm_interface.h>
#include <linux/backing-dev.h>
#include <linux/pagevec.h>
#include "gfs2.h"
#include "incore.h"
@ -278,7 +277,7 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping,
int i;
int ret;
ret = gfs2_trans_begin(sdp, nrblocks, 0);
ret = gfs2_trans_begin(sdp, nrblocks, nrblocks);
if (ret < 0)
return ret;

73
fs/gfs2/quota.c
View File

@ -616,17 +616,9 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
s64 value;
int err = -EIO;
if (gfs2_is_stuffed(ip)) {
struct gfs2_alloc *al = gfs2_alloc_get(ip);
if (!al)
return -ENOMEM;
/* just request 1 blk */
al->al_requested = 1;
gfs2_inplace_reserve(ip);
if (gfs2_is_stuffed(ip))
gfs2_unstuff_dinode(ip, NULL);
gfs2_inplace_release(ip);
gfs2_alloc_put(ip);
}
page = grab_cache_page(mapping, index);
if (!page)
return -ENOMEM;
@ -691,7 +683,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
unsigned int qx, x;
struct gfs2_quota_data *qd;
loff_t offset;
unsigned int nalloc = 0;
unsigned int nalloc = 0, blocks;
struct gfs2_alloc *al = NULL;
int error;
@ -728,34 +720,33 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
nalloc++;
}
if (nalloc) {
al = gfs2_alloc_get(ip);
if (!al) {
error = -ENOMEM;
goto out_gunlock;
}
al->al_requested = nalloc * (data_blocks + ind_blocks);
error = gfs2_inplace_reserve(ip);
if (error)
goto out_alloc;
error = gfs2_trans_begin(sdp,
al->al_rgd->rd_length +
num_qd * data_blocks +
nalloc * ind_blocks +
RES_DINODE + num_qd +
RES_STATFS, 0);
if (error)
goto out_ipres;
} else {
error = gfs2_trans_begin(sdp,
num_qd * data_blocks +
RES_DINODE + num_qd, 0);
if (error)
goto out_gunlock;
al = gfs2_alloc_get(ip);
if (!al) {
error = -ENOMEM;
goto out_gunlock;
}
/*
* 1 blk for unstuffing inode if stuffed. We add this extra
* block to the reservation unconditionally. If the inode
* doesn't need unstuffing, the block will be released to the
* rgrp since it won't be allocated during the transaction
*/
al->al_requested = 1;
/* +1 in the end for block requested above for unstuffing */
blocks = num_qd * data_blocks + RES_DINODE + num_qd + 1;
if (nalloc)
al->al_requested += nalloc * (data_blocks + ind_blocks);
error = gfs2_inplace_reserve(ip);
if (error)
goto out_alloc;
if (nalloc)
blocks += al->al_rgd->rd_length + nalloc * ind_blocks + RES_STATFS;
error = gfs2_trans_begin(sdp, blocks, 0);
if (error)
goto out_ipres;
for (x = 0; x < num_qd; x++) {
qd = qda[x];
@ -774,11 +765,9 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
out_end_trans:
gfs2_trans_end(sdp);
out_ipres:
if (nalloc)
gfs2_inplace_release(ip);
gfs2_inplace_release(ip);
out_alloc:
if (nalloc)
gfs2_alloc_put(ip);
gfs2_alloc_put(ip);
out_gunlock:
gfs2_glock_dq_uninit(&i_gh);
out: