ext4: save the error code which triggered an ext4_error() in the superblock

[linux-block.git] / fs / ext4 / mballoc.c

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index a3e2767bdf2f59ac8f587f2dc1dc315cb8a41bdd..f64838187559f25b859ba5acce4d0186a2c4415b 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3895,6 +3895,7 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
        bitmap_bh = ext4_read_block_bitmap(sb, group);
        if (IS_ERR(bitmap_bh)) {
                err = PTR_ERR(bitmap_bh);
+               ext4_set_errno(sb, -err);
                ext4_error(sb, "Error %d reading block bitmap for %u",
                           err, group);
                return 0;
@@ -4063,6 +4064,7 @@ repeat:
                err = ext4_mb_load_buddy_gfp(sb, group, &e4b,
                                             GFP_NOFS|__GFP_NOFAIL);
                if (err) {
+                       ext4_set_errno(sb, -err);
                        ext4_error(sb, "Error %d loading buddy information for %u",
                                   err, group);
                        continue;
@@ -4071,6 +4073,7 @@ repeat:
                bitmap_bh = ext4_read_block_bitmap(sb, group);
                if (IS_ERR(bitmap_bh)) {
                        err = PTR_ERR(bitmap_bh);
+                       ext4_set_errno(sb, -err);
                        ext4_error(sb, "Error %d reading block bitmap for %u",
                                        err, group);
                        ext4_mb_unload_buddy(&e4b);
@@ -4325,6 +4328,7 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
                err = ext4_mb_load_buddy_gfp(sb, group, &e4b,
                                             GFP_NOFS|__GFP_NOFAIL);
                if (err) {
+                       ext4_set_errno(sb, -err);
                        ext4_error(sb, "Error %d loading buddy information for %u",
                                   err, group);
                        continue;