X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=ldiskfs%2Fkernel_patches%2Fpatches%2Frhel7.6%2Fext4-dont-check-before-replay.patch;fp=ldiskfs%2Fkernel_patches%2Fpatches%2Frhel7.6%2Fext4-dont-check-before-replay.patch;h=74ea752be1ddf24b255a80b9c2d4fd5d226a3ba4;hp=0000000000000000000000000000000000000000;hb=b23c1255ec0a82515c35f4cccfe87cd21c1d9746;hpb=03f077a5dbcd9c4096c6f6ff1bf12b8f39a16603;ds=sidebyside

diff --git a/ldiskfs/kernel_patches/patches/rhel7.6/ext4-dont-check-before-replay.patch b/ldiskfs/kernel_patches/patches/rhel7.6/ext4-dont-check-before-replay.patch
new file mode 100644
index 0000000..74ea752
--- /dev/null
+++ b/ldiskfs/kernel_patches/patches/rhel7.6/ext4-dont-check-before-replay.patch
@@ -0,0 +1,34 @@
+Index: linux-stage/fs/ext4/super.c
+When ldiskfs run in failover mode whith read-only disk.
+Part of allocation updates are lost and ldiskfs may fail
+while mounting this is due to inconsistent state of
+group-descriptor. Group-descriptor check is added after
+journal replay.
+===================================================================
+--- linux-stage/fs/ext4/super.c	2016-11-06 15:15:30.892386878 +0530
++++ linux-stage.orig.1/fs/ext4/super.c	2016-11-08 10:56:45.579892189 +0530
+@@ -4156,11 +4156,6 @@ static int ext4_fill_super(struct super_
+ 		}
+ 	}
+ 	sbi->s_gdb_count = db_count;
+-	if (!ext4_check_descriptors(sb, logical_sb_block, &first_not_zeroed)) {
+-		ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
+-		goto failed_mount2;
+-	}
+-
+ 	get_random_bytes(&sbi->s_next_generation, sizeof(u32));
+ 	spin_lock_init(&sbi->s_next_gen_lock);
+ 
+@@ -4280,6 +4275,12 @@ static int ext4_fill_super(struct super_
+ 	sbi->s_journal->j_commit_callback = ext4_journal_commit_callback;
+ 
+ no_journal:
++
++	if (!ext4_check_descriptors(sb, logical_sb_block, &first_not_zeroed)) {
++		ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
++		goto failed_mount_wq;
++	}
++
+ 	/*
+ 	 * Get the # of file system overhead blocks from the
+ 	 * superblock if present.