aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/ext4/extents.c51
-rw-r--r--fs/ext4/fast_commit.c11
2 files changed, 29 insertions, 33 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index e671ad642cfb..29aaa7340b09 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -6033,12 +6033,9 @@ int ext4_ext_replay_set_iblocks(struct inode *inode)
if (IS_ERR(path))
return PTR_ERR(path);
ex = path[path->p_depth].p_ext;
- if (!ex) {
- ext4_free_ext_path(path);
+ if (!ex)
goto out;
- }
end = le32_to_cpu(ex->ee_block) + ext4_ext_get_actual_len(ex);
- ext4_free_ext_path(path);
/* Count the number of data blocks */
cur = 0;
@@ -6064,32 +6061,28 @@ int ext4_ext_replay_set_iblocks(struct inode *inode)
ret = skip_hole(inode, &cur);
if (ret < 0)
goto out;
- path = ext4_find_extent(inode, cur, NULL, 0);
+ path = ext4_find_extent(inode, cur, path, 0);
if (IS_ERR(path))
goto out;
numblks += path->p_depth;
- ext4_free_ext_path(path);
while (cur < end) {
- path = ext4_find_extent(inode, cur, NULL, 0);
+ path = ext4_find_extent(inode, cur, path, 0);
if (IS_ERR(path))
break;
ex = path[path->p_depth].p_ext;
- if (!ex) {
- ext4_free_ext_path(path);
- return 0;
- }
+ if (!ex)
+ goto cleanup;
+
cur = max(cur + 1, le32_to_cpu(ex->ee_block) +
ext4_ext_get_actual_len(ex));
ret = skip_hole(inode, &cur);
- if (ret < 0) {
- ext4_free_ext_path(path);
+ if (ret < 0)
break;
- }
- path2 = ext4_find_extent(inode, cur, NULL, 0);
- if (IS_ERR(path2)) {
- ext4_free_ext_path(path);
+
+ path2 = ext4_find_extent(inode, cur, path2, 0);
+ if (IS_ERR(path2))
break;
- }
+
for (i = 0; i <= max(path->p_depth, path2->p_depth); i++) {
cmp1 = cmp2 = 0;
if (i <= path->p_depth)
@@ -6101,13 +6094,14 @@ int ext4_ext_replay_set_iblocks(struct inode *inode)
if (cmp1 != cmp2 && cmp2 != 0)
numblks++;
}
- ext4_free_ext_path(path);
- ext4_free_ext_path(path2);
}
out:
inode->i_blocks = numblks << (inode->i_sb->s_blocksize_bits - 9);
ext4_mark_inode_dirty(NULL, inode);
+cleanup:
+ ext4_free_ext_path(path);
+ ext4_free_ext_path(path2);
return 0;
}
@@ -6128,12 +6122,9 @@ int ext4_ext_clear_bb(struct inode *inode)
if (IS_ERR(path))
return PTR_ERR(path);
ex = path[path->p_depth].p_ext;
- if (!ex) {
- ext4_free_ext_path(path);
- return 0;
- }
+ if (!ex)
+ goto out;
end = le32_to_cpu(ex->ee_block) + ext4_ext_get_actual_len(ex);
- ext4_free_ext_path(path);
cur = 0;
while (cur < end) {
@@ -6143,16 +6134,16 @@ int ext4_ext_clear_bb(struct inode *inode)
if (ret < 0)
break;
if (ret > 0) {
- path = ext4_find_extent(inode, map.m_lblk, NULL, 0);
- if (!IS_ERR_OR_NULL(path)) {
+ path = ext4_find_extent(inode, map.m_lblk, path, 0);
+ if (!IS_ERR(path)) {
for (j = 0; j < path->p_depth; j++) {
-
ext4_mb_mark_bb(inode->i_sb,
path[j].p_block, 1, false);
ext4_fc_record_regions(inode->i_sb, inode->i_ino,
0, path[j].p_block, 1, 1);
}
- ext4_free_ext_path(path);
+ } else {
+ path = NULL;
}
ext4_mb_mark_bb(inode->i_sb, map.m_pblk, map.m_len, false);
ext4_fc_record_regions(inode->i_sb, inode->i_ino,
@@ -6161,5 +6152,7 @@ int ext4_ext_clear_bb(struct inode *inode)
cur = cur + map.m_len;
}
+out:
+ ext4_free_ext_path(path);
return 0;
}
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index afcb2e5cdac7..eaa5f5b51f50 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -1792,7 +1792,7 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
if (ret == 0) {
/* Range is not mapped */
- path = ext4_find_extent(inode, cur, NULL, 0);
+ path = ext4_find_extent(inode, cur, path, 0);
if (IS_ERR(path))
goto out;
memset(&newex, 0, sizeof(newex));
@@ -1808,7 +1808,6 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
up_write((&EXT4_I(inode)->i_data_sem));
if (IS_ERR(path))
goto out;
- ext4_free_ext_path(path);
goto next;
}
@@ -1856,6 +1855,7 @@ next:
ext4_ext_replay_shrink_inode(inode, i_size_read(inode) >>
sb->s_blocksize_bits);
out:
+ ext4_free_ext_path(path);
iput(inode);
return 0;
}
@@ -1956,12 +1956,13 @@ static void ext4_fc_set_bitmaps_and_counters(struct super_block *sb)
break;
if (ret > 0) {
- path = ext4_find_extent(inode, map.m_lblk, NULL, 0);
+ path = ext4_find_extent(inode, map.m_lblk, path, 0);
if (!IS_ERR(path)) {
for (j = 0; j < path->p_depth; j++)
ext4_mb_mark_bb(inode->i_sb,
path[j].p_block, 1, true);
- ext4_free_ext_path(path);
+ } else {
+ path = NULL;
}
cur += ret;
ext4_mb_mark_bb(inode->i_sb, map.m_pblk,
@@ -1972,6 +1973,8 @@ static void ext4_fc_set_bitmaps_and_counters(struct super_block *sb)
}
iput(inode);
}
+
+ ext4_free_ext_path(path);
}
/*