1 files changed, 34 insertions, 40 deletions

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index a08dabd6ce90..56aaf915c59a 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -94,7 +94,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id,
         struct gfs2_quota_data *qd;
         int error;
 
-        qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_KERNEL);
+        qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_NOFS);
         if (!qd)
                 return -ENOMEM;
 
@@ -616,16 +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 = NULL;
-                al = gfs2_alloc_get(ip);
-                /* 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;
@@ -690,14 +683,14 @@ 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;
 
         gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota),
                               &data_blocks, &ind_blocks);
 
-        ghs = kcalloc(num_qd, sizeof(struct gfs2_holder), GFP_KERNEL);
+        ghs = kcalloc(num_qd, sizeof(struct gfs2_holder), GFP_NOFS);
         if (!ghs)
                 return -ENOMEM;
 
@@ -727,30 +720,33 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
                         nalloc++;
         }
 
-        if (nalloc) {
-                al = gfs2_alloc_get(ip);
+        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;
 
-                al->al_requested = nalloc * (data_blocks + ind_blocks);
+        if (nalloc)
+                al->al_requested += nalloc * (data_blocks + ind_blocks);                
+        error = gfs2_inplace_reserve(ip);
+        if (error)
+                goto out_alloc;
 
-                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;
-        }
+        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];
@@ -769,11 +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:
@@ -1124,12 +1118,12 @@ int gfs2_quota_init(struct gfs2_sbd *sdp)
         error = -ENOMEM;
 
         sdp->sd_quota_bitmap = kcalloc(sdp->sd_quota_chunks,
-                                       sizeof(unsigned char *), GFP_KERNEL);
+                                       sizeof(unsigned char *), GFP_NOFS);
         if (!sdp->sd_quota_bitmap)
                 return error;
 
         for (x = 0; x < sdp->sd_quota_chunks; x++) {
-                sdp->sd_quota_bitmap[x] = kzalloc(PAGE_SIZE, GFP_KERNEL);
+                sdp->sd_quota_bitmap[x] = kzalloc(PAGE_SIZE, GFP_NOFS);
                 if (!sdp->sd_quota_bitmap[x])
                         goto fail;
         }