LU-12477 ldiskfs: remove obsolete ext4 patches

[fs/lustre-release.git] / ldiskfs / kernel_patches / patches / rhel7.2 / ext4-preread-gd.patch

diff --git a/ldiskfs/kernel_patches/patches/rhel7.2/ext4-preread-gd.patch b/ldiskfs/kernel_patches/patches/rhel7.2/ext4-preread-gd.patch
deleted file mode 100644 (file)
index db3abe6..0000000
--- a/ldiskfs/kernel_patches/patches/rhel7.2/ext4-preread-gd.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-commit 85c8f176a6111ecde9c158109989dbd445a0e59a
-Author: Andrew Perepechko <andrew.perepechko@seagate.com>
-AuthorDate: Sun Apr 30 00:46:35 2017 -0400
-Commit: Theodore Ts'o <tytso@mit.edu>
-CommitDate: Sun Apr 30 00:46:35 2017 -0400
-ext4: preload block group descriptors
-
-With enabled meta_bg option block group descriptors
-reading IO is not sequential and requires optimization.
-
-Signed-off-by: Andrew Perepechko <andrew.perepechko@seagate.com>
-Signed-off-by: Theodore Ts'o <tytso@mit.edu>
-Index: fs/ext4/super.c
-===================================================================
---- linux-stage/fs/ext4/super.c.orig
-+++ linux-stage.orig/fs/ext4/super.c
-@@ -3918,6 +3919,12 @@ static int ext4_fill_super(struct super_
- 
-       bgl_lock_init(sbi->s_blockgroup_lock);
- 
-+      /* Pre-read the descriptors into the buffer cache */
-+      for (i = 0; i < db_count; i++) {
-+              block = descriptor_loc(sb, logical_sb_block, i);
-+              sb_breadahead(sb, block);
-+      }
-+
-       for (i = 0; i < db_count; i++) {
-               block = descriptor_loc(sb, logical_sb_block, i);
-               sbi->s_group_desc[i] = sb_bread(sb, block);