ext4: make sure ex.fe_logical is initialized

[mirror_ubuntu-bionic-kernel.git] / fs / ext4 / mballoc.c

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 04a5c7504be9d6dbe55174d451f559064a7a05cf..0d42f635dda90502b522b9e0eaa6701f27da8ada 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1808,6 +1808,7 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
        ext4_lock_group(ac->ac_sb, group);
        max = mb_find_extent(e4b, ac->ac_g_ex.fe_start,
                             ac->ac_g_ex.fe_len, &ex);
+       ex.fe_logical = 0xDEADFA11; /* debug value */
 
        if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) {
                ext4_fsblk_t start;
@@ -1936,7 +1937,7 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
                         */
                        break;
                }
-
+               ex.fe_logical = 0xDEADC0DE; /* debug value */
                ext4_mb_measure_extent(ac, &ex, e4b);
 
                i += ex.fe_len;
@@ -1977,6 +1978,7 @@ void ext4_mb_scan_aligned(struct ext4_allocation_context *ac,
                        max = mb_find_extent(e4b, i, sbi->s_stripe, &ex);
                        if (max >= sbi->s_stripe) {
                                ac->ac_found++;
+                               ex.fe_logical = 0xDEADF00D; /* debug value */
                                ac->ac_b_ex = ex;
                                ext4_mb_use_best_found(ac, e4b);
                                break;