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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 11:00:52 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 11:00:52 +0900 |
| commit | 45f6bc5ff9c3387387f048ec85dcb4e69acf0b03 (patch) | |
| tree | d04952bb05b53a362bcd165fb910c5c1441b4c5d /fs/ext4/extents_status.c | |
| parent | 3138887bd8d18173f3c2baf1e43621c49090cd27 (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
Merge 3.10-rc3 into usb-next
We want these fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext4/extents_status.c')
| -rw-r--r-- | fs/ext4/extents_status.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index fe3337a85ed..e6941e622d3 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -232,14 +232,16 @@ static struct extent_status *__es_tree_search(struct rb_root *root, } /* - * ext4_es_find_delayed_extent: find the 1st delayed extent covering @es->lblk - * if it exists, otherwise, the next extent after @es->lblk. + * ext4_es_find_delayed_extent_range: find the 1st delayed extent covering + * @es->lblk if it exists, otherwise, the next extent after @es->lblk. * * @inode: the inode which owns delayed extents * @lblk: the offset where we start to search + * @end: the offset where we stop to search * @es: delayed extent that we found */ -void ext4_es_find_delayed_extent(struct inode *inode, ext4_lblk_t lblk, +void ext4_es_find_delayed_extent_range(struct inode *inode, + ext4_lblk_t lblk, ext4_lblk_t end, struct extent_status *es) { struct ext4_es_tree *tree = NULL; @@ -247,7 +249,8 @@ void ext4_es_find_delayed_extent(struct inode *inode, ext4_lblk_t lblk, struct rb_node *node; BUG_ON(es == NULL); - trace_ext4_es_find_delayed_extent_enter(inode, lblk); + BUG_ON(end < lblk); + trace_ext4_es_find_delayed_extent_range_enter(inode, lblk); read_lock(&EXT4_I(inode)->i_es_lock); tree = &EXT4_I(inode)->i_es_tree; @@ -270,6 +273,10 @@ out: if (es1 && !ext4_es_is_delayed(es1)) { while ((node = rb_next(&es1->rb_node)) != NULL) { es1 = rb_entry(node, struct extent_status, rb_node); + if (es1->es_lblk > end) { + es1 = NULL; + break; + } if (ext4_es_is_delayed(es1)) break; } @@ -285,7 +292,7 @@ out: read_unlock(&EXT4_I(inode)->i_es_lock); ext4_es_lru_add(inode); - trace_ext4_es_find_delayed_extent_exit(inode, es); + trace_ext4_es_find_delayed_extent_range_exit(inode, es); } static struct extent_status * |