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-rw-r--r--fs/ext4/mballoc.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 9d4a636b546c..47705f3285e3 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -106,7 +106,7 @@ struct ext4_free_data {
ext4_group_t group;
/* free block extent */
- ext4_grpblk_t start_blk;
+ ext4_grpblk_t start_cluster;
ext4_grpblk_t count;
/* transaction which freed this extent */
@@ -139,9 +139,9 @@ enum {
struct ext4_free_extent {
ext4_lblk_t fe_logical;
- ext4_grpblk_t fe_start;
+ ext4_grpblk_t fe_start; /* In cluster units */
ext4_group_t fe_group;
- ext4_grpblk_t fe_len;
+ ext4_grpblk_t fe_len; /* In cluster units */
};
/*
@@ -175,7 +175,7 @@ struct ext4_allocation_context {
/* the best found extent */
struct ext4_free_extent ac_b_ex;
- /* copy of the bext found extent taken before preallocation efforts */
+ /* copy of the best found extent taken before preallocation efforts */
struct ext4_free_extent ac_f_ex;
/* number of iterations done. we have to track to limit searching */
@@ -216,6 +216,7 @@ struct ext4_buddy {
static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
struct ext4_free_extent *fex)
{
- return ext4_group_first_block_no(sb, fex->fe_group) + fex->fe_start;
+ return ext4_group_first_block_no(sb, fex->fe_group) +
+ (fex->fe_start << EXT4_SB(sb)->s_cluster_bits);
}
#endif
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