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-rw-r--r--fs/ext4/balloc.c3
-rw-r--r--fs/ext4/ext4.h2
-rw-r--r--fs/ext4/extents.c4
-rw-r--r--fs/ext4/mballoc.h2
4 files changed, 4 insertions, 7 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index fadbc4d3a202..d2f37a5516c7 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -188,9 +188,6 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
188 * when a file system is mounted (see ext4_fill_super). 188 * when a file system is mounted (see ext4_fill_super).
189 */ 189 */
190 190
191
192#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
193
194/** 191/**
195 * ext4_get_group_desc() -- load group descriptor from disk 192 * ext4_get_group_desc() -- load group descriptor from disk
196 * @sb: super block 193 * @sb: super block
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3d85bbb09f1b..9b179163f1de 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1819,6 +1819,8 @@ static inline void set_bitmap_uptodate(struct buffer_head *bh)
1819 set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state); 1819 set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state);
1820} 1820}
1821 1821
1822#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
1823
1822#endif /* __KERNEL__ */ 1824#endif /* __KERNEL__ */
1823 1825
1824#endif /* _EXT4_H */ 1826#endif /* _EXT4_H */
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 3c0bae11a097..94c8ee81f5e1 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2051,7 +2051,7 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
2051 2051
2052 BUG_ON(cex->ec_type != EXT4_EXT_CACHE_GAP && 2052 BUG_ON(cex->ec_type != EXT4_EXT_CACHE_GAP &&
2053 cex->ec_type != EXT4_EXT_CACHE_EXTENT); 2053 cex->ec_type != EXT4_EXT_CACHE_EXTENT);
2054 if (block >= cex->ec_block && block < cex->ec_block + cex->ec_len) { 2054 if (in_range(block, cex->ec_block, cex->ec_len)) {
2055 ex->ee_block = cpu_to_le32(cex->ec_block); 2055 ex->ee_block = cpu_to_le32(cex->ec_block);
2056 ext4_ext_store_pblock(ex, cex->ec_start); 2056 ext4_ext_store_pblock(ex, cex->ec_start);
2057 ex->ee_len = cpu_to_le16(cex->ec_len); 2057 ex->ee_len = cpu_to_le16(cex->ec_len);
@@ -3364,7 +3364,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
3364 */ 3364 */
3365 ee_len = ext4_ext_get_actual_len(ex); 3365 ee_len = ext4_ext_get_actual_len(ex);
3366 /* if found extent covers block, simply return it */ 3366 /* if found extent covers block, simply return it */
3367 if (iblock >= ee_block && iblock < ee_block + ee_len) { 3367 if (in_range(iblock, ee_block, ee_len)) {
3368 newblock = iblock - ee_block + ee_start; 3368 newblock = iblock - ee_block + ee_start;
3369 /* number of remaining blocks in the extent */ 3369 /* number of remaining blocks in the extent */
3370 allocated = ee_len - (iblock - ee_block); 3370 allocated = ee_len - (iblock - ee_block);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 9b2deed652b7..b619322c76f0 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -220,8 +220,6 @@ struct ext4_buddy {
220#define EXT4_MB_BITMAP(e4b) ((e4b)->bd_bitmap) 220#define EXT4_MB_BITMAP(e4b) ((e4b)->bd_bitmap)
221#define EXT4_MB_BUDDY(e4b) ((e4b)->bd_buddy) 221#define EXT4_MB_BUDDY(e4b) ((e4b)->bd_buddy)
222 222
223#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
224
225static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb, 223static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
226 struct ext4_free_extent *fex) 224 struct ext4_free_extent *fex)
227{ 225{