diff options
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/acl.c | 6 | ||||
-rw-r--r-- | fs/ext4/extents.c | 22 | ||||
-rw-r--r-- | fs/ext4/inode.c | 2 | ||||
-rw-r--r-- | fs/ext4/mballoc.c | 6 | ||||
-rw-r--r-- | fs/ext4/resize.c | 1 | ||||
-rw-r--r-- | fs/ext4/super.c | 23 |
6 files changed, 42 insertions, 18 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index 21eacd7..4922087 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -450,8 +450,10 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, retry: handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); - if (IS_ERR(handle)) - return PTR_ERR(handle); + if (IS_ERR(handle)) { + error = PTR_ERR(handle); + goto release_and_out; + } error = ext4_set_acl(handle, inode, type, acl); ext4_journal_stop(handle); if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 611647b..680df5d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2140,13 +2140,14 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block, * last index in the block only. */ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, - struct ext4_ext_path *path) + struct ext4_ext_path *path, int depth) { int err; ext4_fsblk_t leaf; /* free index block */ - path--; + depth--; + path = path + depth; leaf = ext4_idx_pblock(path->p_idx); if (unlikely(path->p_hdr->eh_entries == 0)) { EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0"); @@ -2162,6 +2163,19 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, ext_debug("index is empty, remove it, free block %llu\n", leaf); ext4_free_blocks(handle, inode, NULL, leaf, 1, EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); + + while (--depth >= 0) { + if (path->p_idx != EXT_FIRST_INDEX(path->p_hdr)) + break; + path--; + err = ext4_ext_get_access(handle, inode, path); + if (err) + break; + path->p_idx->ei_block = (path+1)->p_idx->ei_block; + err = ext4_ext_dirty(handle, inode, path); + if (err) + break; + } return err; } @@ -2509,7 +2523,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode, /* if this leaf is free, then we should * remove it from index block above */ if (err == 0 && eh->eh_entries == 0 && path[depth].p_bh != NULL) - err = ext4_ext_rm_idx(handle, inode, path + depth); + err = ext4_ext_rm_idx(handle, inode, path, depth); out: return err; @@ -2639,7 +2653,7 @@ again: /* index is empty, remove it; * handle must be already prepared by the * truncatei_leaf() */ - err = ext4_ext_rm_idx(handle, inode, path + i); + err = ext4_ext_rm_idx(handle, inode, path, i); } /* root level has p_bh == NULL, brelse() eats this */ brelse(path[i].p_bh); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1dbf758..7e56946 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2199,6 +2199,8 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd) index = mpd->first_page; end = mpd->next_page - 1; + + pagevec_init(&pvec, 0); while (index <= end) { nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE); if (nr_pages == 0) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index b6adf68..31bbdb5 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4111,7 +4111,7 @@ static void ext4_mb_add_n_trim(struct ext4_allocation_context *ac) /* The max size of hash table is PREALLOC_TB_SIZE */ order = PREALLOC_TB_SIZE - 1; /* Add the prealloc space to lg */ - rcu_read_lock(); + spin_lock(&lg->lg_prealloc_lock); list_for_each_entry_rcu(tmp_pa, &lg->lg_prealloc_list[order], pa_inode_list) { spin_lock(&tmp_pa->pa_lock); @@ -4135,12 +4135,12 @@ static void ext4_mb_add_n_trim(struct ext4_allocation_context *ac) if (!added) list_add_tail_rcu(&pa->pa_inode_list, &lg->lg_prealloc_list[order]); - rcu_read_unlock(); + spin_unlock(&lg->lg_prealloc_lock); /* Now trim the list to be not more than 8 elements */ if (lg_prealloc_count > 8) { ext4_mb_discard_lg_preallocations(sb, lg, - order, lg_prealloc_count); + order, lg_prealloc_count); return; } return ; diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 80bbc9c..244100f 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -499,6 +499,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, return err; exit_inode: + kfree(n_group_desc); /* ext4_handle_release_buffer(handle, iloc.bh); */ brelse(iloc.bh); exit_dindj: diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 489d406..c6a3363 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2204,7 +2204,9 @@ static void ext4_orphan_cleanup(struct super_block *sb, __func__, inode->i_ino, inode->i_size); jbd_debug(2, "truncating inode %lu to %lld bytes\n", inode->i_ino, inode->i_size); + mutex_lock(&inode->i_mutex); ext4_truncate(inode); + mutex_unlock(&inode->i_mutex); nr_truncates++; } else { ext4_msg(sb, KERN_DEBUG, @@ -3679,22 +3681,19 @@ no_journal: if (err) { ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", err); - goto failed_mount4; + goto failed_mount5; } err = ext4_register_li_request(sb, first_not_zeroed); if (err) - goto failed_mount4; + goto failed_mount6; sbi->s_kobj.kset = ext4_kset; init_completion(&sbi->s_kobj_unregister); err = kobject_init_and_add(&sbi->s_kobj, &ext4_ktype, NULL, "%s", sb->s_id); - if (err) { - ext4_mb_release(sb); - ext4_ext_release(sb); - goto failed_mount4; - }; + if (err) + goto failed_mount7; EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; ext4_orphan_cleanup(sb, es); @@ -3728,13 +3727,19 @@ cantfind_ext4: ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); goto failed_mount; +failed_mount7: + ext4_unregister_li_request(sb); +failed_mount6: + ext4_ext_release(sb); +failed_mount5: + ext4_mb_release(sb); + ext4_release_system_zone(sb); failed_mount4: iput(root); sb->s_root = NULL; ext4_msg(sb, KERN_ERR, "mount failed"); destroy_workqueue(EXT4_SB(sb)->dio_unwritten_wq); failed_mount_wq: - ext4_release_system_zone(sb); if (sbi->s_journal) { jbd2_journal_destroy(sbi->s_journal); sbi->s_journal = NULL; @@ -4438,7 +4443,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) } ext4_setup_system_zone(sb); - if (sbi->s_journal == NULL) + if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY)) ext4_commit_super(sb, 1); #ifdef CONFIG_QUOTA |