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-rw-r--r--fs/gfs2/aops.c4
-rw-r--r--fs/gfs2/bmap.c15
-rw-r--r--fs/gfs2/bmap.h2
-rw-r--r--fs/gfs2/file.c4
-rw-r--r--fs/gfs2/quota.c15
-rw-r--r--fs/gfs2/super.c9
6 files changed, 14 insertions, 35 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 9485a882d80b..5e96cbd8a454 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -634,9 +634,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
634 } 634 }
635 } 635 }
636 636
637 error = gfs2_write_alloc_required(ip, pos, len, &alloc_required); 637 alloc_required = gfs2_write_alloc_required(ip, pos, len);
638 if (error)
639 goto out_unlock;
640 638
641 if (alloc_required || gfs2_is_jdata(ip)) 639 if (alloc_required || gfs2_is_jdata(ip))
642 gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); 640 gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 84da64b551b2..744c29e2dcf4 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1244,13 +1244,12 @@ int gfs2_file_dealloc(struct gfs2_inode *ip)
1244 * @ip: the file being written to 1244 * @ip: the file being written to
1245 * @offset: the offset to write to 1245 * @offset: the offset to write to
1246 * @len: the number of bytes being written 1246 * @len: the number of bytes being written
1247 * @alloc_required: set to 1 if an alloc is required, 0 otherwise
1248 * 1247 *
1249 * Returns: errno 1248 * Returns: 1 if an alloc is required, 0 otherwise
1250 */ 1249 */
1251 1250
1252int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, 1251int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
1253 unsigned int len, int *alloc_required) 1252 unsigned int len)
1254{ 1253{
1255 struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); 1254 struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
1256 struct buffer_head bh; 1255 struct buffer_head bh;
@@ -1258,26 +1257,23 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
1258 u64 lblock, lblock_stop, size; 1257 u64 lblock, lblock_stop, size;
1259 u64 end_of_file; 1258 u64 end_of_file;
1260 1259
1261 *alloc_required = 0;
1262
1263 if (!len) 1260 if (!len)
1264 return 0; 1261 return 0;
1265 1262
1266 if (gfs2_is_stuffed(ip)) { 1263 if (gfs2_is_stuffed(ip)) {
1267 if (offset + len > 1264 if (offset + len >
1268 sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode)) 1265 sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode))
1269 *alloc_required = 1; 1266 return 1;
1270 return 0; 1267 return 0;
1271 } 1268 }
1272 1269
1273 *alloc_required = 1;
1274 shift = sdp->sd_sb.sb_bsize_shift; 1270 shift = sdp->sd_sb.sb_bsize_shift;
1275 BUG_ON(gfs2_is_dir(ip)); 1271 BUG_ON(gfs2_is_dir(ip));
1276 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift; 1272 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
1277 lblock = offset >> shift; 1273 lblock = offset >> shift;
1278 lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; 1274 lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
1279 if (lblock_stop > end_of_file) 1275 if (lblock_stop > end_of_file)
1280 return 0; 1276 return 1;
1281 1277
1282 size = (lblock_stop - lblock) << shift; 1278 size = (lblock_stop - lblock) << shift;
1283 do { 1279 do {
@@ -1285,12 +1281,11 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
1285 bh.b_size = size; 1281 bh.b_size = size;
1286 gfs2_block_map(&ip->i_inode, lblock, &bh, 0); 1282 gfs2_block_map(&ip->i_inode, lblock, &bh, 0);
1287 if (!buffer_mapped(&bh)) 1283 if (!buffer_mapped(&bh))
1288 return 0; 1284 return 1;
1289 size -= bh.b_size; 1285 size -= bh.b_size;
1290 lblock += (bh.b_size >> ip->i_inode.i_blkbits); 1286 lblock += (bh.b_size >> ip->i_inode.i_blkbits);
1291 } while(size > 0); 1287 } while(size > 0);
1292 1288
1293 *alloc_required = 0;
1294 return 0; 1289 return 0;
1295} 1290}
1296 1291
diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h
index c983177e05ac..a20a5213135a 100644
--- a/fs/gfs2/bmap.h
+++ b/fs/gfs2/bmap.h
@@ -52,6 +52,6 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
52int gfs2_truncatei_resume(struct gfs2_inode *ip); 52int gfs2_truncatei_resume(struct gfs2_inode *ip);
53int gfs2_file_dealloc(struct gfs2_inode *ip); 53int gfs2_file_dealloc(struct gfs2_inode *ip);
54int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, 54int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
55 unsigned int len, int *alloc_required); 55 unsigned int len);
56 56
57#endif /* __BMAP_DOT_H__ */ 57#endif /* __BMAP_DOT_H__ */
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index ed9a94f0ef15..4edd662c8232 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -351,7 +351,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
351 unsigned long last_index; 351 unsigned long last_index;
352 u64 pos = page->index << PAGE_CACHE_SHIFT; 352 u64 pos = page->index << PAGE_CACHE_SHIFT;
353 unsigned int data_blocks, ind_blocks, rblocks; 353 unsigned int data_blocks, ind_blocks, rblocks;
354 int alloc_required = 0;
355 struct gfs2_holder gh; 354 struct gfs2_holder gh;
356 struct gfs2_alloc *al; 355 struct gfs2_alloc *al;
357 int ret; 356 int ret;
@@ -364,8 +363,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
364 set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); 363 set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
365 set_bit(GIF_SW_PAGED, &ip->i_flags); 364 set_bit(GIF_SW_PAGED, &ip->i_flags);
366 365
367 ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required); 366 if (!gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE))
368 if (ret || !alloc_required)
369 goto out_unlock; 367 goto out_unlock;
370 ret = -ENOMEM; 368 ret = -ENOMEM;
371 al = gfs2_alloc_get(ip); 369 al = gfs2_alloc_get(ip);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 8f02d3db8f42..8bb643cb2658 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -787,15 +787,9 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
787 goto out; 787 goto out;
788 788
789 for (x = 0; x < num_qd; x++) { 789 for (x = 0; x < num_qd; x++) {
790 int alloc_required;
791
792 offset = qd2offset(qda[x]); 790 offset = qd2offset(qda[x]);
793 error = gfs2_write_alloc_required(ip, offset, 791 if (gfs2_write_alloc_required(ip, offset,
794 sizeof(struct gfs2_quota), 792 sizeof(struct gfs2_quota)))
795 &alloc_required);
796 if (error)
797 goto out_gunlock;
798 if (alloc_required)
799 nalloc++; 793 nalloc++;
800 } 794 }
801 795
@@ -1584,10 +1578,7 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
1584 goto out_i; 1578 goto out_i;
1585 1579
1586 offset = qd2offset(qd); 1580 offset = qd2offset(qd);
1587 error = gfs2_write_alloc_required(ip, offset, sizeof(struct gfs2_quota), 1581 alloc_required = gfs2_write_alloc_required(ip, offset, sizeof(struct gfs2_quota));
1588 &alloc_required);
1589 if (error)
1590 goto out_i;
1591 if (alloc_required) { 1582 if (alloc_required) {
1592 al = gfs2_alloc_get(ip); 1583 al = gfs2_alloc_get(ip);
1593 if (al == NULL) 1584 if (al == NULL)
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 4d1aad38f1b1..4140811a921c 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -342,8 +342,6 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
342{ 342{
343 struct gfs2_inode *ip = GFS2_I(jd->jd_inode); 343 struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
344 struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); 344 struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);
345 int ar;
346 int error;
347 345
348 if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) || 346 if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) ||
349 (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) { 347 (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) {
@@ -352,13 +350,12 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
352 } 350 }
353 jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; 351 jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
354 352
355 error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar); 353 if (gfs2_write_alloc_required(ip, 0, ip->i_disksize)) {
356 if (!error && ar) {
357 gfs2_consist_inode(ip); 354 gfs2_consist_inode(ip);
358 error = -EIO; 355 return -EIO;
359 } 356 }
360 357
361 return error; 358 return 0;
362} 359}
363 360
364/** 361/**