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Message-ID: <202208200531.vKhAsUoT-lkp@intel.com>
Date: Sat, 20 Aug 2022 05:19:56 +0800
From: kernel test robot <lkp@...el.com>
To: Ethan Lien <ethanlien@...ology.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
David Sterba <dsterba@...e.com>,
Filipe Manana <fdmanana@...e.com>,
Robbie Ko <robbieko@...ology.com>
Subject: [kdave:for-next 45/93] fs/btrfs/inode.c:6872:32: warning: unused
variable 'io_tree'
fs/btrfs/extent-io-tree.h
fs/btrfs/extent_io.c
fs/btrfs/inode.c
tree: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next
head: c4fe219c58ed555f5215a1b493271d83bc93eca5
commit: a4ae8f42bbcf38a6177a41a0991e5b2d68455b5f [45/93] btrfs: remove unnecessary EXTENT_UPTODATE state in buffered I/O path
config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220820/202208200531.vKhAsUoT-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git/commit/?id=a4ae8f42bbcf38a6177a41a0991e5b2d68455b5f
git remote add kdave https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git
git fetch --no-tags kdave for-next
git checkout a4ae8f42bbcf38a6177a41a0991e5b2d68455b5f
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/btrfs/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
fs/btrfs/inode.c: In function 'btrfs_get_extent':
>> fs/btrfs/inode.c:6872:32: warning: unused variable 'io_tree' [-Wunused-variable]
6872 | struct extent_io_tree *io_tree = &inode->io_tree;
| ^~~~~~~
--
fs/btrfs/extent_io.c: In function 'btrfs_do_readpage':
>> fs/btrfs/extent_io.c:3613:13: warning: variable 'cur_end' set but not used [-Wunused-but-set-variable]
3613 | u64 cur_end;
| ^~~~~~~
vim +/io_tree +6872 fs/btrfs/inode.c
c8b978188c9a0f Chris Mason 2008-10-29 6836
39b07b5d7072f8 Omar Sandoval 2019-12-02 6837 /**
39b07b5d7072f8 Omar Sandoval 2019-12-02 6838 * btrfs_get_extent - Lookup the first extent overlapping a range in a file.
39b07b5d7072f8 Omar Sandoval 2019-12-02 6839 * @inode: file to search in
39b07b5d7072f8 Omar Sandoval 2019-12-02 6840 * @page: page to read extent data into if the extent is inline
39b07b5d7072f8 Omar Sandoval 2019-12-02 6841 * @pg_offset: offset into @page to copy to
39b07b5d7072f8 Omar Sandoval 2019-12-02 6842 * @start: file offset
39b07b5d7072f8 Omar Sandoval 2019-12-02 6843 * @len: length of range starting at @start
39b07b5d7072f8 Omar Sandoval 2019-12-02 6844 *
39b07b5d7072f8 Omar Sandoval 2019-12-02 6845 * This returns the first &struct extent_map which overlaps with the given
39b07b5d7072f8 Omar Sandoval 2019-12-02 6846 * range, reading it from the B-tree and caching it if necessary. Note that
39b07b5d7072f8 Omar Sandoval 2019-12-02 6847 * there may be more extents which overlap the given range after the returned
39b07b5d7072f8 Omar Sandoval 2019-12-02 6848 * extent_map.
39b07b5d7072f8 Omar Sandoval 2019-12-02 6849 *
39b07b5d7072f8 Omar Sandoval 2019-12-02 6850 * If @page is not NULL and the extent is inline, this also reads the extent
39b07b5d7072f8 Omar Sandoval 2019-12-02 6851 * data directly into the page and marks the extent up to date in the io_tree.
d352ac68148b69 Chris Mason 2008-09-29 6852 *
39b07b5d7072f8 Omar Sandoval 2019-12-02 6853 * Return: ERR_PTR on error, non-NULL extent_map on success.
d352ac68148b69 Chris Mason 2008-09-29 6854 */
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 6855 struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
39b07b5d7072f8 Omar Sandoval 2019-12-02 6856 struct page *page, size_t pg_offset,
39b07b5d7072f8 Omar Sandoval 2019-12-02 6857 u64 start, u64 len)
a52d9a8033c454 Chris Mason 2007-08-27 6858 {
3ffbd68c483207 David Sterba 2018-06-29 6859 struct btrfs_fs_info *fs_info = inode->root->fs_info;
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6860 int ret = 0;
a52d9a8033c454 Chris Mason 2007-08-27 6861 u64 extent_start = 0;
a52d9a8033c454 Chris Mason 2007-08-27 6862 u64 extent_end = 0;
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 6863 u64 objectid = btrfs_ino(inode);
7e74e235bb31a1 Linus Torvalds 2019-05-01 6864 int extent_type = -1;
f421950f86bf96 Chris Mason 2008-07-22 6865 struct btrfs_path *path = NULL;
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 6866 struct btrfs_root *root = inode->root;
a52d9a8033c454 Chris Mason 2007-08-27 6867 struct btrfs_file_extent_item *item;
5f39d397dfbe14 Chris Mason 2007-10-15 6868 struct extent_buffer *leaf;
5f39d397dfbe14 Chris Mason 2007-10-15 6869 struct btrfs_key found_key;
a52d9a8033c454 Chris Mason 2007-08-27 6870 struct extent_map *em = NULL;
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 6871 struct extent_map_tree *em_tree = &inode->extent_tree;
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 @6872 struct extent_io_tree *io_tree = &inode->io_tree;
a52d9a8033c454 Chris Mason 2007-08-27 6873
890871be854b5f Chris Mason 2009-09-02 6874 read_lock(&em_tree->lock);
d1310b2e0cd98e Chris Mason 2008-01-24 6875 em = lookup_extent_mapping(em_tree, start, len);
890871be854b5f Chris Mason 2009-09-02 6876 read_unlock(&em_tree->lock);
d1310b2e0cd98e Chris Mason 2008-01-24 6877
a52d9a8033c454 Chris Mason 2007-08-27 6878 if (em) {
e1c4b7451e22f5 Chris Mason 2008-04-22 6879 if (em->start > start || em->start + em->len <= start)
e1c4b7451e22f5 Chris Mason 2008-04-22 6880 free_extent_map(em);
e1c4b7451e22f5 Chris Mason 2008-04-22 6881 else if (em->block_start == EXTENT_MAP_INLINE && page)
70dec8079d7869 Chris Mason 2008-01-29 6882 free_extent_map(em);
70dec8079d7869 Chris Mason 2008-01-29 6883 else
a52d9a8033c454 Chris Mason 2007-08-27 6884 goto out;
a52d9a8033c454 Chris Mason 2007-08-27 6885 }
172ddd60a662c4 David Sterba 2011-04-21 6886 em = alloc_extent_map();
a52d9a8033c454 Chris Mason 2007-08-27 6887 if (!em) {
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6888 ret = -ENOMEM;
a52d9a8033c454 Chris Mason 2007-08-27 6889 goto out;
a52d9a8033c454 Chris Mason 2007-08-27 6890 }
5f39d397dfbe14 Chris Mason 2007-10-15 6891 em->start = EXTENT_MAP_HOLE;
445a69449994a3 Chris Mason 2008-11-10 6892 em->orig_start = EXTENT_MAP_HOLE;
d1310b2e0cd98e Chris Mason 2008-01-24 6893 em->len = (u64)-1;
c8b978188c9a0f Chris Mason 2008-10-29 6894 em->block_len = (u64)-1;
f421950f86bf96 Chris Mason 2008-07-22 6895
f421950f86bf96 Chris Mason 2008-07-22 6896 path = btrfs_alloc_path();
026fd317828500 Josef Bacik 2011-05-13 6897 if (!path) {
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6898 ret = -ENOMEM;
026fd317828500 Josef Bacik 2011-05-13 6899 goto out;
026fd317828500 Josef Bacik 2011-05-13 6900 }
bee6ec822a6a68 Liu Bo 2018-08-17 6901
bee6ec822a6a68 Liu Bo 2018-08-17 6902 /* Chances are we'll be called again, so go ahead and do readahead */
e4058b54d1e442 David Sterba 2015-11-27 6903 path->reada = READA_FORWARD;
4d7240f0abda6a Josef Bacik 2020-10-23 6904
4d7240f0abda6a Josef Bacik 2020-10-23 6905 /*
4d7240f0abda6a Josef Bacik 2020-10-23 6906 * The same explanation in load_free_space_cache applies here as well,
4d7240f0abda6a Josef Bacik 2020-10-23 6907 * we only read when we're loading the free space cache, and at that
4d7240f0abda6a Josef Bacik 2020-10-23 6908 * point the commit_root has everything we need.
4d7240f0abda6a Josef Bacik 2020-10-23 6909 */
4d7240f0abda6a Josef Bacik 2020-10-23 6910 if (btrfs_is_free_space_inode(inode)) {
4d7240f0abda6a Josef Bacik 2020-10-23 6911 path->search_commit_root = 1;
4d7240f0abda6a Josef Bacik 2020-10-23 6912 path->skip_locking = 1;
4d7240f0abda6a Josef Bacik 2020-10-23 6913 }
51899412dd95b2 Josef Bacik 2020-08-20 6914
5c9a702ed1724f Nikolay Borisov 2017-12-01 6915 ret = btrfs_lookup_file_extent(NULL, root, path, objectid, start, 0);
a52d9a8033c454 Chris Mason 2007-08-27 6916 if (ret < 0) {
a52d9a8033c454 Chris Mason 2007-08-27 6917 goto out;
b8eeab7fced201 Nikolay Borisov 2018-12-17 6918 } else if (ret > 0) {
a52d9a8033c454 Chris Mason 2007-08-27 6919 if (path->slots[0] == 0)
a52d9a8033c454 Chris Mason 2007-08-27 6920 goto not_found;
a52d9a8033c454 Chris Mason 2007-08-27 6921 path->slots[0]--;
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6922 ret = 0;
a52d9a8033c454 Chris Mason 2007-08-27 6923 }
a52d9a8033c454 Chris Mason 2007-08-27 6924
5f39d397dfbe14 Chris Mason 2007-10-15 6925 leaf = path->nodes[0];
5f39d397dfbe14 Chris Mason 2007-10-15 6926 item = btrfs_item_ptr(leaf, path->slots[0],
a52d9a8033c454 Chris Mason 2007-08-27 6927 struct btrfs_file_extent_item);
5f39d397dfbe14 Chris Mason 2007-10-15 6928 btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
5f39d397dfbe14 Chris Mason 2007-10-15 6929 if (found_key.objectid != objectid ||
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6930 found_key.type != BTRFS_EXTENT_DATA_KEY) {
25a50341b6269b Josef Bacik 2013-10-14 6931 /*
25a50341b6269b Josef Bacik 2013-10-14 6932 * If we backup past the first extent we want to move forward
25a50341b6269b Josef Bacik 2013-10-14 6933 * and see if there is an extent in front of us, otherwise we'll
25a50341b6269b Josef Bacik 2013-10-14 6934 * say there is a hole for our whole search range which can
25a50341b6269b Josef Bacik 2013-10-14 6935 * cause problems.
25a50341b6269b Josef Bacik 2013-10-14 6936 */
25a50341b6269b Josef Bacik 2013-10-14 6937 extent_end = start;
25a50341b6269b Josef Bacik 2013-10-14 6938 goto next;
a52d9a8033c454 Chris Mason 2007-08-27 6939 }
a52d9a8033c454 Chris Mason 2007-08-27 6940
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6941 extent_type = btrfs_file_extent_type(leaf, item);
5f39d397dfbe14 Chris Mason 2007-10-15 6942 extent_start = found_key.offset;
a5eeb3d17b979f Filipe Manana 2020-03-09 6943 extent_end = btrfs_file_extent_end(path);
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6944 if (extent_type == BTRFS_FILE_EXTENT_REG ||
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6945 extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6946 /* Only regular file could have regular/prealloc extent */
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6947 if (!S_ISREG(inode->vfs_inode.i_mode)) {
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6948 ret = -EUCLEAN;
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6949 btrfs_crit(fs_info,
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6950 "regular/prealloc extent found for non-regular inode %llu",
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6951 btrfs_ino(inode));
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6952 goto out;
6bf9e4bd6a2778 Qu Wenruo 2019-03-13 6953 }
09ed2f165cb344 Liu Bo 2017-03-10 6954 trace_btrfs_get_extent_show_fi_regular(inode, leaf, item,
09ed2f165cb344 Liu Bo 2017-03-10 6955 extent_start);
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6956 } else if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
09ed2f165cb344 Liu Bo 2017-03-10 6957 trace_btrfs_get_extent_show_fi_inline(inode, leaf, item,
09ed2f165cb344 Liu Bo 2017-03-10 6958 path->slots[0],
09ed2f165cb344 Liu Bo 2017-03-10 6959 extent_start);
9036c10208e1fc Yan Zheng 2008-10-30 6960 }
25a50341b6269b Josef Bacik 2013-10-14 6961 next:
9036c10208e1fc Yan Zheng 2008-10-30 6962 if (start >= extent_end) {
9036c10208e1fc Yan Zheng 2008-10-30 6963 path->slots[0]++;
9036c10208e1fc Yan Zheng 2008-10-30 6964 if (path->slots[0] >= btrfs_header_nritems(leaf)) {
9036c10208e1fc Yan Zheng 2008-10-30 6965 ret = btrfs_next_leaf(root, path);
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6966 if (ret < 0)
9036c10208e1fc Yan Zheng 2008-10-30 6967 goto out;
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6968 else if (ret > 0)
b888db2bd7b67f Chris Mason 2007-08-27 6969 goto not_found;
1028d1c48b95c3 Nikolay Borisov 2020-08-03 6970
9036c10208e1fc Yan Zheng 2008-10-30 6971 leaf = path->nodes[0];
a52d9a8033c454 Chris Mason 2007-08-27 6972 }
9036c10208e1fc Yan Zheng 2008-10-30 6973 btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
9036c10208e1fc Yan Zheng 2008-10-30 6974 if (found_key.objectid != objectid ||
9036c10208e1fc Yan Zheng 2008-10-30 6975 found_key.type != BTRFS_EXTENT_DATA_KEY)
9036c10208e1fc Yan Zheng 2008-10-30 6976 goto not_found;
9036c10208e1fc Yan Zheng 2008-10-30 6977 if (start + len <= found_key.offset)
9036c10208e1fc Yan Zheng 2008-10-30 6978 goto not_found;
e2eca69dc6c09d Wang Shilong 2014-07-17 6979 if (start > found_key.offset)
e2eca69dc6c09d Wang Shilong 2014-07-17 6980 goto next;
02a033df7a5ebf Nikolay Borisov 2018-12-17 6981
02a033df7a5ebf Nikolay Borisov 2018-12-17 6982 /* New extent overlaps with existing one */
9036c10208e1fc Yan Zheng 2008-10-30 6983 em->start = start;
70c8a91ce21b83 Josef Bacik 2012-10-11 6984 em->orig_start = start;
9036c10208e1fc Yan Zheng 2008-10-30 6985 em->len = found_key.offset - start;
02a033df7a5ebf Nikolay Borisov 2018-12-17 6986 em->block_start = EXTENT_MAP_HOLE;
02a033df7a5ebf Nikolay Borisov 2018-12-17 6987 goto insert;
a52d9a8033c454 Chris Mason 2007-08-27 6988 }
9036c10208e1fc Yan Zheng 2008-10-30 6989
39b07b5d7072f8 Omar Sandoval 2019-12-02 6990 btrfs_extent_item_to_extent_map(inode, path, item, !page, em);
7ffbb598a059b7 Filipe Manana 2014-06-09 6991
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6992 if (extent_type == BTRFS_FILE_EXTENT_REG ||
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6993 extent_type == BTRFS_FILE_EXTENT_PREALLOC) {
a52d9a8033c454 Chris Mason 2007-08-27 6994 goto insert;
694c12ed9dcb07 Nikolay Borisov 2018-12-17 6995 } else if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
5f39d397dfbe14 Chris Mason 2007-10-15 6996 unsigned long ptr;
a52d9a8033c454 Chris Mason 2007-08-27 6997 char *map;
3326d1b07c0cb6 Chris Mason 2007-10-15 6998 size_t size;
3326d1b07c0cb6 Chris Mason 2007-10-15 6999 size_t extent_offset;
3326d1b07c0cb6 Chris Mason 2007-10-15 7000 size_t copy_size;
a52d9a8033c454 Chris Mason 2007-08-27 7001
39b07b5d7072f8 Omar Sandoval 2019-12-02 7002 if (!page)
689f9346612d96 Yan 2007-10-29 7003 goto out;
5f39d397dfbe14 Chris Mason 2007-10-15 7004
e41ca5897489b1 Qu Wenruo 2018-06-06 7005 size = btrfs_file_extent_ram_bytes(leaf, item);
9036c10208e1fc Yan Zheng 2008-10-30 7006 extent_offset = page_offset(page) + pg_offset - extent_start;
09cbfeaf1a5a67 Kirill A. Shutemov 2016-04-01 7007 copy_size = min_t(u64, PAGE_SIZE - pg_offset,
3326d1b07c0cb6 Chris Mason 2007-10-15 7008 size - extent_offset);
3326d1b07c0cb6 Chris Mason 2007-10-15 7009 em->start = extent_start + extent_offset;
0b246afa62b0cf Jeff Mahoney 2016-06-22 7010 em->len = ALIGN(copy_size, fs_info->sectorsize);
b493968096944a Josef Bacik 2012-12-03 7011 em->orig_block_len = em->len;
70c8a91ce21b83 Josef Bacik 2012-10-11 7012 em->orig_start = em->start;
689f9346612d96 Yan 2007-10-29 7013 ptr = btrfs_file_extent_inline_start(item) + extent_offset;
e49aabd973fd0b Liu Bo 2018-08-25 7014
bf46f52db96795 Edmund Nadolski 2017-11-20 7015 if (!PageUptodate(page)) {
261507a02ccba9 Li Zefan 2010-12-17 7016 if (btrfs_file_extent_compression(leaf, item) !=
261507a02ccba9 Li Zefan 2010-12-17 7017 BTRFS_COMPRESS_NONE) {
e40da0e58a2089 Byongho Lee 2015-05-19 7018 ret = uncompress_inline(path, page, pg_offset,
c8b978188c9a0f Chris Mason 2008-10-29 7019 extent_offset, item);
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7020 if (ret)
166ae5a418756d Zach Brown 2014-05-09 7021 goto out;
c8b978188c9a0f Chris Mason 2008-10-29 7022 } else {
58c1a35cd52268 Ira Weiny 2021-02-16 7023 map = kmap_local_page(page);
70dec8079d7869 Chris Mason 2008-01-29 7024 read_extent_buffer(leaf, map + pg_offset, ptr,
179e29e488cc74 Chris Mason 2007-11-01 7025 copy_size);
09cbfeaf1a5a67 Kirill A. Shutemov 2016-04-01 7026 if (pg_offset + copy_size < PAGE_SIZE) {
93c82d575055f1 Chris Mason 2009-09-11 7027 memset(map + pg_offset + copy_size, 0,
09cbfeaf1a5a67 Kirill A. Shutemov 2016-04-01 7028 PAGE_SIZE - pg_offset -
93c82d575055f1 Chris Mason 2009-09-11 7029 copy_size);
93c82d575055f1 Chris Mason 2009-09-11 7030 }
58c1a35cd52268 Ira Weiny 2021-02-16 7031 kunmap_local(map);
c8b978188c9a0f Chris Mason 2008-10-29 7032 }
50b78c24d594e6 Chris Mason 2007-09-20 7033 flush_dcache_page(page);
179e29e488cc74 Chris Mason 2007-11-01 7034 }
a52d9a8033c454 Chris Mason 2007-08-27 7035 goto insert;
a52d9a8033c454 Chris Mason 2007-08-27 7036 }
a52d9a8033c454 Chris Mason 2007-08-27 7037 not_found:
a52d9a8033c454 Chris Mason 2007-08-27 7038 em->start = start;
70c8a91ce21b83 Josef Bacik 2012-10-11 7039 em->orig_start = start;
d1310b2e0cd98e Chris Mason 2008-01-24 7040 em->len = len;
5f39d397dfbe14 Chris Mason 2007-10-15 7041 em->block_start = EXTENT_MAP_HOLE;
a52d9a8033c454 Chris Mason 2007-08-27 7042 insert:
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7043 ret = 0;
b3b4aa74b58bde David Sterba 2011-04-21 7044 btrfs_release_path(path);
d1310b2e0cd98e Chris Mason 2008-01-24 7045 if (em->start > start || extent_map_end(em) <= start) {
0b246afa62b0cf Jeff Mahoney 2016-06-22 7046 btrfs_err(fs_info,
5d163e0e68ce74 Jeff Mahoney 2016-09-20 7047 "bad extent! em: [%llu %llu] passed [%llu %llu]",
c1c9ff7c94e83f Geert Uytterhoeven 2013-08-20 7048 em->start, em->len, start, len);
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7049 ret = -EIO;
a52d9a8033c454 Chris Mason 2007-08-27 7050 goto out;
a52d9a8033c454 Chris Mason 2007-08-27 7051 }
d1310b2e0cd98e Chris Mason 2008-01-24 7052
890871be854b5f Chris Mason 2009-09-02 7053 write_lock(&em_tree->lock);
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7054 ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
890871be854b5f Chris Mason 2009-09-02 7055 write_unlock(&em_tree->lock);
a52d9a8033c454 Chris Mason 2007-08-27 7056 out:
c64142807f5a4d Liu Bo 2018-08-23 7057 btrfs_free_path(path);
1abe9b8a138c99 liubo 2011-03-24 7058
fc4f21b1d8d023 Nikolay Borisov 2017-02-20 7059 trace_btrfs_get_extent(root, inode, em);
1abe9b8a138c99 liubo 2011-03-24 7060
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7061 if (ret) {
a52d9a8033c454 Chris Mason 2007-08-27 7062 free_extent_map(em);
1028d1c48b95c3 Nikolay Borisov 2020-08-03 7063 return ERR_PTR(ret);
a52d9a8033c454 Chris Mason 2007-08-27 7064 }
a52d9a8033c454 Chris Mason 2007-08-27 7065 return em;
a52d9a8033c454 Chris Mason 2007-08-27 7066 }
a52d9a8033c454 Chris Mason 2007-08-27 7067
:::::: The code at line 6872 was first introduced by commit
:::::: fc4f21b1d8d023cf0a2b1b050ae18e15dbe7068e btrfs: Make get_extent_t take btrfs_inode
:::::: TO: Nikolay Borisov <nborisov@...e.com>
:::::: CC: David Sterba <dsterba@...e.com>
--
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