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| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2010-03-04 22:25:21 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-03-04 22:25:21 -0500 |
| commit | 64e290ec69be39f1887fa0b403c1e417b6b038e7 (patch) | |
| tree | 8c7f87a2a4baa357e0cc04ab10b5af0b06273160 /fs/ext4 | |
| parent | c437b2733520599a2c6e0dbcdeae611319f84707 (diff) | |
| download | linux-64e290ec69be39f1887fa0b403c1e417b6b038e7.tar.gz | |
ext4: fix up rb_root initializations to use RB_ROOT
ext4 uses rb_node = NULL; to zero rb_root at few places. Using RB_ROOT as the initializer is more portable in case the underlying implementation of rbtrees changes in the future. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/block_validity.c | 4 | ||||
| -rw-r--r-- | fs/ext4/dir.c | 2 | ||||
| -rw-r--r-- | fs/ext4/mballoc.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index a60ab9aad57d..983f0e127493 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -205,14 +205,14 @@ void ext4_release_system_zone(struct super_block *sb) entry = rb_entry(n, struct ext4_system_zone, node); kmem_cache_free(ext4_system_zone_cachep, entry); if (!parent) - EXT4_SB(sb)->system_blks.rb_node = NULL; + EXT4_SB(sb)->system_blks = RB_ROOT; else if (parent->rb_left == n) parent->rb_left = NULL; else if (parent->rb_right == n) parent->rb_right = NULL; n = parent; } - EXT4_SB(sb)->system_blks.rb_node = NULL; + EXT4_SB(sb)->system_blks = RB_ROOT; } /* diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 29857ddd9e26..86cb6d86a048 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -305,7 +305,7 @@ static void free_rb_tree_fname(struct rb_root *root) kfree(old); } if (!parent) - root->rb_node = NULL; + *root = RB_ROOT; else if (parent->rb_left == n) parent->rb_left = NULL; else if (parent->rb_right == n) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 37d2438e0cb4..abb11e328b65 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2253,7 +2253,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list); init_rwsem(&meta_group_info[i]->alloc_sem); - meta_group_info[i]->bb_free_root.rb_node = NULL; + meta_group_info[i]->bb_free_root = RB_ROOT; #ifdef DOUBLE_CHECK { |