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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  ext3: Always set dx_node's fake_dirent explicitly.
  ext3: Fix an overflow in ext3_trim_fs.
  jbd: Remove one to many n's in a word.
  ext3: skip orphan cleanup on rocompat fs
  ext2: Fix link count corruption under heavy link+rename load
  ext3: speed up group trim with the right free block count.
  ext3: Adjust trim start with first_data_block.
  quota: return -ENOMEM when memory allocation fails
This commit is contained in:
Linus Torvalds 2011-03-17 17:41:19 -07:00
parent 179198373c 0c755de03e
commit 77aa56ba09
6 changed files with 23 additions and 13 deletions
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21
fs/ext3/balloc.c
View File

@ -1991,6 +1991,7 @@ ext3_grpblk_t ext3_trim_all_free(struct super_block *sb, unsigned int group,
spin_unlock(sb_bgl_lock(sbi, group));
percpu_counter_sub(&sbi->s_freeblocks_counter, next - start);
free_blocks -= next - start;
/* Do not issue a TRIM on extents smaller than minblocks */
if ((next - start) < minblocks)
goto free_extent;
@ -2040,7 +2041,7 @@ free_extent:
cond_resched();
/* No more suitable extents */
if ((free_blocks - count) < minblocks)
if (free_blocks < minblocks)
break;
}
@ -2090,7 +2091,8 @@ int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range)
ext3_fsblk_t max_blks = le32_to_cpu(es->s_blocks_count);
int ret = 0;
start = range->start >> sb->s_blocksize_bits;
start = (range->start >> sb->s_blocksize_bits) +
le32_to_cpu(es->s_first_data_block);
len = range->len >> sb->s_blocksize_bits;
minlen = range->minlen >> sb->s_blocksize_bits;
trimmed = 0;
@ -2099,10 +2101,6 @@ int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range)
return -EINVAL;
if (start >= max_blks)
goto out;
if (start < le32_to_cpu(es->s_first_data_block)) {
len -= le32_to_cpu(es->s_first_data_block) - start;
start = le32_to_cpu(es->s_first_data_block);
}
if (start + len > max_blks)
len = max_blks - start;
@ -2129,10 +2127,15 @@ int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range)
if (free_blocks < minlen)
continue;
if (len >= EXT3_BLOCKS_PER_GROUP(sb))
len -= (EXT3_BLOCKS_PER_GROUP(sb) - first_block);
else
/*
* For all the groups except the last one, last block will
* always be EXT3_BLOCKS_PER_GROUP(sb), so we only need to
* change it for the last group in which case first_block +
* len < EXT3_BLOCKS_PER_GROUP(sb).
*/
if (first_block + len < EXT3_BLOCKS_PER_GROUP(sb))
last_block = first_block + len;
len -= last_block - first_block;
ret = ext3_trim_all_free(sb, group, first_block,
last_block, minlen);

2
fs/ext3/namei.c
View File

@ -1540,8 +1540,8 @@ static int ext3_dx_add_entry(handle_t *handle, struct dentry *dentry,
goto cleanup;
node2 = (struct dx_node *)(bh2->b_data);
entries2 = node2->entries;
memset(&node2->fake, 0, sizeof(struct fake_dirent));
node2->fake.rec_len = ext3_rec_len_to_disk(sb->s_blocksize);
node2->fake.inode = 0;
BUFFER_TRACE(frame->bh, "get_write_access");
err = ext3_journal_get_write_access(handle, frame->bh);
if (err)

7
fs/ext3/super.c
View File

@ -1464,6 +1464,13 @@ static void ext3_orphan_cleanup (struct super_block * sb,
return;
}
/* Check if feature set allows readwrite operations */
if (EXT3_HAS_RO_COMPAT_FEATURE(sb, ~EXT3_FEATURE_RO_COMPAT_SUPP)) {
ext3_msg(sb, KERN_INFO, "Skipping orphan cleanup due to "
"unknown ROCOMPAT features");
return;
}
if (EXT3_SB(sb)->s_mount_state & EXT3_ERROR_FS) {
if (es->s_last_orphan)
jbd_debug(1, "Errors on filesystem, "

2
fs/jbd/journal.c
View File

@ -839,7 +839,7 @@ journal_t * journal_init_inode (struct inode *inode)
err = journal_bmap(journal, 0, &blocknr);
/* If that failed, give up */
if (err) {
printk(KERN_ERR "%s: Cannnot locate journal superblock\n",
printk(KERN_ERR "%s: Cannot locate journal superblock\n",
__func__);
goto out_err;
}

2
fs/jbd2/journal.c
View File

@ -991,7 +991,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
err = jbd2_journal_bmap(journal, 0, &blocknr);
/* If that failed, give up */
if (err) {
printk(KERN_ERR "%s: Cannnot locate journal superblock\n",
printk(KERN_ERR "%s: Cannot locate journal superblock\n",
__func__);
goto out_err;
}

2
fs/quota/quota_v2.c
View File

@ -112,7 +112,7 @@ static int v2_read_file_info(struct super_block *sb, int type)
if (!info->dqi_priv) {
printk(KERN_WARNING
"Not enough memory for quota information structure.\n");
return -1;
return -ENOMEM;
}
qinfo = info->dqi_priv;
if (version == 0) {