| extents.c (40c406c74eb9eed58ae7d4d12a0197f7279c9499) | extents.c (8dc79ec4c0537e1b83c0739af82a7babefb30012) |
|---|---|
| 1/* 2 * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com 3 * Written by Alex Tomas <alex@clusterfs.com> 4 * 5 * Architecture independence: 6 * Copyright (c) 2005, Bull S.A. 7 * Written by Pierre Peiffer <pierre.peiffer@bull.net> 8 * --- 5300 unchanged lines hidden (view full) --- 5309 if (start >= stop_block) 5310 return ret; 5311 5312 /* 5313 * Don't start shifting extents until we make sure the hole is big 5314 * enough to accomodate the shift. 5315 */ 5316 path = ext4_ext_find_extent(inode, start - 1, NULL, 0); | 1/* 2 * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com 3 * Written by Alex Tomas <alex@clusterfs.com> 4 * 5 * Architecture independence: 6 * Copyright (c) 2005, Bull S.A. 7 * Written by Pierre Peiffer <pierre.peiffer@bull.net> 8 * --- 5300 unchanged lines hidden (view full) --- 5309 if (start >= stop_block) 5310 return ret; 5311 5312 /* 5313 * Don't start shifting extents until we make sure the hole is big 5314 * enough to accomodate the shift. 5315 */ 5316 path = ext4_ext_find_extent(inode, start - 1, NULL, 0); |
| 5317 if (IS_ERR(path)) 5318 return PTR_ERR(path); |
|
| 5317 depth = path->p_depth; 5318 extent = path[depth].p_ext; | 5319 depth = path->p_depth; 5320 extent = path[depth].p_ext; |
| 5319 ex_start = le32_to_cpu(extent->ee_block); 5320 ex_end = le32_to_cpu(extent->ee_block) + | 5321 if (extent) { 5322 ex_start = le32_to_cpu(extent->ee_block); 5323 ex_end = le32_to_cpu(extent->ee_block) + |
| 5321 ext4_ext_get_actual_len(extent); | 5324 ext4_ext_get_actual_len(extent); |
| 5325 } else { 5326 ex_start = 0; 5327 ex_end = 0; 5328 } |
|
| 5322 ext4_ext_drop_refs(path); 5323 kfree(path); 5324 5325 if ((start == ex_start && shift > ex_start) || 5326 (shift > start - ex_end)) 5327 return -EINVAL; 5328 5329 /* Its safe to start updating extents */ --- 141 unchanged lines hidden --- | 5329 ext4_ext_drop_refs(path); 5330 kfree(path); 5331 5332 if ((start == ex_start && shift > ex_start) || 5333 (shift > start - ex_end)) 5334 return -EINVAL; 5335 5336 /* Its safe to start updating extents */ --- 141 unchanged lines hidden --- |