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authorStefan Brüns <stefan.bruens@rwth-aachen.de>2016-09-06 04:36:48 +0200
committerTom Rini <trini@konsulko.com>2016-09-23 09:02:39 -0400
commite927265225bf298d25b312758718cbc31510b175 (patch)
tree4487b517b106b38cc7d7366b5b76dd0c1aee03b8 /fs
parent398d6fad921ec0bc82ae98250831216a363c38b6 (diff)
ext4: Do not clear zalloc'ed buffers a second time
zero_buffer is never written, thus clearing it is pointless. journal_buffer is completely initialized by ext4fs_devread (or in case of failure, not used). Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/ext4_common.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index aeccdf17d3c..1661d89ca6d 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -929,7 +929,6 @@ restart:
if (le16_to_cpu(bgd[bg_idx].bg_flags) & EXT4_BG_BLOCK_UNINIT) {
uint16_t new_flags;
- memset(zero_buffer, '\0', fs->blksz);
put_ext4((uint64_t)le32_to_cpu(bgd[bg_idx].block_id) * fs->blksz,
zero_buffer, fs->blksz);
memcpy(fs->blk_bmaps[bg_idx], zero_buffer, fs->blksz);
@@ -946,7 +945,6 @@ restart:
/* journal backup */
if (prev_bg_bitmap_index != bg_idx) {
- memset(journal_buffer, '\0', fs->blksz);
status = ext4fs_devread(
(lbaint_t)le32_to_cpu(bgd[bg_idx].block_id)
* fs->sect_perblk,
@@ -1040,7 +1038,6 @@ restart:
ibmap_idx = fs->curr_inode_no / inodes_per_grp;
if (le16_to_cpu(bgd[ibmap_idx].bg_flags) & EXT4_BG_INODE_UNINIT) {
int new_flags;
- memset(zero_buffer, '\0', fs->blksz);
put_ext4((uint64_t)le32_to_cpu(bgd[ibmap_idx].inode_id) * fs->blksz,
zero_buffer, fs->blksz);
new_flags = le16_to_cpu(bgd[ibmap_idx].bg_flags) & ~EXT4_BG_INODE_UNINIT;