LU-12457 kernel: RHEL 7.7 server support

[fs/lustre-release.git] / ldiskfs / kernel_patches / patches / rhel7.7 / ext4-misc.patch

diff --git a/ldiskfs/kernel_patches/patches/rhel7.7/ext4-misc.patch b/ldiskfs/kernel_patches/patches/rhel7.7/ext4-misc.patch
new file mode 100644 (file)
index 0000000..065c814
--- /dev/null
+++ b/ldiskfs/kernel_patches/patches/rhel7.7/ext4-misc.patch
@@ -0,0 +1,130 @@
+Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ext4.h
+===================================================================
+--- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/ext4.h
++++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ext4.h
+@@ -1427,6 +1427,8 @@ static inline void ext4_clear_state_flag
+ 
+ #define NEXT_ORPHAN(inode) EXT4_I(inode)->i_dtime
+ 
++#define JOURNAL_START_HAS_3ARGS       1
++
+ /*
+  * Codes for operating systems
+  */
+@@ -2612,6 +2614,11 @@ struct ext4_extent;
+ 
+ extern int ext4_ext_tree_init(handle_t *handle, struct inode *);
+ extern int ext4_ext_writepage_trans_blocks(struct inode *, int);
++extern struct buffer_head *ext4_read_inode_bitmap(struct super_block *sb,
++                                                ext4_group_t block_group);
++extern struct buffer_head *ext4_append(handle_t *handle,
++                                     struct inode *inode,
++                                     ext4_lblk_t *block);
+ extern int ext4_ext_index_trans_blocks(struct inode *inode, int extents);
+                                      int chunk);
+ extern int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
+Index: linux-3.10.0-1062.el7.x86_64/fs/ext4/namei.c
+===================================================================
+--- linux-3.10.0-1062.el7.x86_64.orig/fs/ext4/namei.c
++++ linux-3.10.0-1062.el7.x86_64/fs/ext4/namei.c
+@@ -48,7 +48,7 @@
+ #define NAMEI_RA_BLOCKS  4
+ #define NAMEI_RA_SIZE      (NAMEI_RA_CHUNKS * NAMEI_RA_BLOCKS)
+ 
+-static struct buffer_head *ext4_append(handle_t *handle,
++struct buffer_head *ext4_append(handle_t *handle,
+                                       struct inode *inode,
+                                       ext4_lblk_t *block)
+ {
+@@ -156,6 +156,7 @@ static struct buffer_head *__ext4_read_d
+       }
+       return bh;
+ }
++EXPORT_SYMBOL(ext4_append);
+ 
+ #ifndef assert
+ #define assert(test) J_ASSERT(test)
+@@ -2233,23 +2234,25 @@ out:
+  * for checking S_ISDIR(inode) (since the INODE_INDEX feature will not be set
+  * on regular files) and to avoid creating huge/slow non-HTREE directories.
+ */
+-static void ext4_inc_count(handle_t *handle, struct inode *inode)
++void ext4_inc_count(handle_t *handle, struct inode *inode)
+ {
+       inc_nlink(inode);
+       if (is_dx(inode) &&
+           (inode->i_nlink > EXT4_LINK_MAX || inode->i_nlink == 2))
+               set_nlink(inode, 1);
+ }
++EXPORT_SYMBOL(ext4_inc_count);
+ 
+ /*
+  * If a directory had nlink == 1, then we should let it be 1. This indicates
+  * directory has >EXT4_LINK_MAX subdirs.
+  */
+-static void ext4_dec_count(handle_t *handle, struct inode *inode)
++void ext4_dec_count(handle_t *handle, struct inode *inode)
+ {
+       if (!S_ISDIR(inode->i_mode) || inode->i_nlink > 2)
+               drop_nlink(inode);
+ }
++EXPORT_SYMBOL(ext4_dec_count);
+ 
+ 
+ static int ext4_add_nondir(handle_t *handle,
+Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ialloc.c
+===================================================================
+--- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/ialloc.c
++++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ialloc.c
+@@ -111,7 +111,7 @@ void ext4_end_bitmap_read(struct buffer_
+  *
+  * Return buffer_head of bitmap on success or NULL.
+  */
+-static struct buffer_head *
++struct buffer_head *
+ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
+ {
+       struct ext4_group_desc *desc;
+@@ -191,6 +191,7 @@ verify:
+       set_buffer_verified(bh);
+       return bh;
+ }
++EXPORT_SYMBOL(ext4_read_inode_bitmap);
+ 
+ /*
+  * NOTE! When we get the inode, we're the only people
+Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/inode.c
+===================================================================
+--- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/inode.c
++++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/inode.c
+@@ -5281,3 +5281,18 @@ out:
+       sb_end_pagefault(inode->i_sb);
+       return ret;
+ }
++EXPORT_SYMBOL(ext4_map_blocks);
++EXPORT_SYMBOL(ext4_truncate);
++EXPORT_SYMBOL(ext4_iget);
++EXPORT_SYMBOL(ext4_bread);
++EXPORT_SYMBOL(ext4_itable_unused_count);
++EXPORT_SYMBOL(ext4_force_commit);
++EXPORT_SYMBOL(ext4_mark_inode_dirty);
++EXPORT_SYMBOL(ext4_get_group_desc);
++EXPORT_SYMBOL(__ext4_journal_get_write_access);
++EXPORT_SYMBOL(__ext4_journal_start_sb);
++EXPORT_SYMBOL(__ext4_journal_stop);
++EXPORT_SYMBOL(__ext4_handle_dirty_metadata);
++EXPORT_SYMBOL(__ext4_std_error);
++EXPORT_SYMBOL(ext4fs_dirhash);
++EXPORT_SYMBOL(ext4_get_inode_loc);
+Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/mballoc.c
+===================================================================
+--- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/mballoc.c
++++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/mballoc.c
+@@ -5281,7 +5281,6 @@ out:
+                               void *buddy, void *bitmap, ext4_group_t group)
+ {
+       struct ext4_group_info *grp = ext4_get_group_info(sb, group);
+-      struct ext4_sb_info *sbi = EXT4_SB(sb);
+       ext4_grpblk_t max = EXT4_CLUSTERS_PER_GROUP(sb);
+       ext4_grpblk_t i = 0;
+       ext4_grpblk_t first;