Index: linux-stage/fs/ext4/ext4_jbd2.h
===================================================================
---- linux-stage.orig/fs/ext4/ext4_jbd2.h 2011-04-01 09:35:54.779619166 +0800
-+++ linux-stage/fs/ext4/ext4_jbd2.h 2011-04-01 10:55:10.328938378 +0800
+--- linux-stage.orig/fs/ext4/ext4_jbd2.h
++++ linux-stage/fs/ext4/ext4_jbd2.h
@@ -35,6 +35,8 @@
(EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS) \
? 27U : 8U)
* and the superblock, which are already accounted for. */
Index: linux-stage/fs/ext4/ext4_extents.h
===================================================================
---- linux-stage.orig/fs/ext4/ext4_extents.h 2011-04-01 09:35:55.688621923 +0800
-+++ linux-stage/fs/ext4/ext4_extents.h 2011-04-01 09:35:57.573627638 +0800
+--- linux-stage.orig/fs/ext4/ext4_extents.h
++++ linux-stage/fs/ext4/ext4_extents.h
@@ -58,6 +58,12 @@
*/
#define EXT_STATS_
/*
* ext4_inode has i_block array (60 bytes total).
-@@ -160,6 +166,7 @@
+@@ -160,6 +166,7 @@ typedef int (*ext_prepare_callback)(stru
#define EXT_INIT_MAX_LEN (1UL << 15)
#define EXT_UNINIT_MAX_LEN (EXT_INIT_MAX_LEN - 1)
#define EXT_FIRST_EXTENT(__hdr__) \
((struct ext4_extent *) (((char *) (__hdr__)) + \
-@@ -239,6 +246,8 @@
+@@ -239,6 +246,8 @@ extern int ext4_extent_tree_init(handle_
extern int ext4_ext_calc_credits_for_single_extent(struct inode *inode,
int num,
struct ext4_ext_path *path);
struct ext4_extent *ex2);
Index: linux-stage/fs/ext4/mballoc.c
===================================================================
---- linux-stage.orig/fs/ext4/mballoc.c 2011-04-01 09:35:57.382627058 +0800
-+++ linux-stage/fs/ext4/mballoc.c 2011-04-01 10:55:08.194931915 +0800
-@@ -4039,6 +4039,7 @@
+--- linux-stage.orig/fs/ext4/mballoc.c
++++ linux-stage/fs/ext4/mballoc.c
+@@ -4039,6 +4039,7 @@ repeat:
if (ac)
kmem_cache_free(ext4_ac_cachep, ac);
}
/*
* finds all preallocated spaces and return blocks being freed to them
-@@ -4831,3 +4832,6 @@
+@@ -4831,3 +4832,6 @@ error_return:
kmem_cache_free(ext4_ac_cachep, ac);
return;
}
+
Index: linux-stage/fs/ext4/super.c
===================================================================
---- linux-stage.orig/fs/ext4/super.c 2011-04-01 09:35:57.207626528 +0800
-+++ linux-stage/fs/ext4/super.c 2011-04-01 10:57:29.490360042 +0800
-@@ -127,6 +127,7 @@
+--- linux-stage.orig/fs/ext4/super.c
++++ linux-stage/fs/ext4/super.c
+@@ -127,6 +127,7 @@ __u32 ext4_itable_unused_count(struct su
(EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
(__u32)le16_to_cpu(bg->bg_itable_unused_hi) << 16 : 0);
}
void ext4_block_bitmap_set(struct super_block *sb,
struct ext4_group_desc *bg, ext4_fsblk_t blk)
-@@ -1486,11 +1487,13 @@
+@@ -1497,11 +1498,13 @@ enum {
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
};
static const match_table_t tokens = {
-@@ -1542,6 +1545,9 @@
+@@ -1553,6 +1556,9 @@ static const match_table_t tokens = {
{Opt_noquota, "noquota"},
{Opt_quota, "quota"},
{Opt_usrquota, "usrquota"},
{Opt_barrier, "barrier=%u"},
{Opt_barrier, "barrier"},
{Opt_nobarrier, "nobarrier"},
-@@ -1557,6 +1563,7 @@
+@@ -1568,6 +1574,7 @@ static const match_table_t tokens = {
{Opt_auto_da_alloc, "auto_da_alloc=%u"},
{Opt_auto_da_alloc, "auto_da_alloc"},
{Opt_noauto_da_alloc, "noauto_da_alloc"},
{Opt_discard, "discard"},
{Opt_nodiscard, "nodiscard"},
{Opt_err, NULL},
-@@ -1914,6 +1921,10 @@
+@@ -1925,6 +1932,10 @@ set_qf_format:
else
clear_opt(sbi->s_mount_opt, BARRIER);
break;
case Opt_ignore:
break;
case Opt_resize:
-@@ -1997,6 +2008,8 @@
+@@ -2008,6 +2019,8 @@ set_qf_format:
case Opt_nodiscard:
clear_opt(sbi->s_mount_opt, DISCARD);
break;
"Unrecognized mount option \"%s\" "
Index: linux-stage/fs/ext4/ext4_jbd2.c
===================================================================
---- linux-stage.orig/fs/ext4/ext4_jbd2.c 2011-04-01 09:35:54.145617245 +0800
-+++ linux-stage/fs/ext4/ext4_jbd2.c 2011-04-01 09:35:57.678627955 +0800
-@@ -31,6 +31,7 @@
+--- linux-stage.orig/fs/ext4/ext4_jbd2.c
++++ linux-stage/fs/ext4/ext4_jbd2.c
+@@ -31,6 +31,7 @@ int __ext4_journal_get_write_access(cons
}
return err;
}
int __ext4_journal_forget(const char *where, handle_t *handle,
struct buffer_head *bh)
-@@ -107,3 +108,4 @@
+@@ -107,3 +108,4 @@ int __ext4_handle_dirty_metadata(const c
}
return err;
}
+EXPORT_SYMBOL(__ext4_handle_dirty_metadata);
Index: linux-stage/fs/ext4/ext4.h
===================================================================
---- linux-stage.orig/fs/ext4/ext4.h 2011-04-01 09:35:57.349626959 +0800
-+++ linux-stage/fs/ext4/ext4.h 2011-04-01 10:55:17.605960429 +0800
-@@ -1110,6 +1110,9 @@
+--- linux-stage.orig/fs/ext4/ext4.h
++++ linux-stage/fs/ext4/ext4.h
+@@ -1110,6 +1110,9 @@ static inline void ext4_clear_inode_stat
#define NEXT_ORPHAN(inode) EXT4_I(inode)->i_dtime
/*
* Codes for operating systems
*/
-@@ -1528,6 +1531,8 @@
+@@ -1539,6 +1542,8 @@ extern int ext4_mb_add_groupinfo(struct
extern int ext4_mb_get_buddy_cache_lock(struct super_block *, ext4_group_t);
extern void ext4_mb_put_buddy_cache_lock(struct super_block *,
ext4_group_t, int);
struct buffer_head *bh, ext4_fsblk_t blocknr);
Index: linux-stage/fs/ext4/inode.c
===================================================================
---- linux-stage.orig/fs/ext4/inode.c 2011-04-01 09:35:55.884622516 +0800
-+++ linux-stage/fs/ext4/inode.c 2011-04-01 09:35:57.750628175 +0800
-@@ -5199,6 +5199,7 @@
+--- linux-stage.orig/fs/ext4/inode.c
++++ linux-stage/fs/ext4/inode.c
+@@ -5204,6 +5204,7 @@ bad_inode:
iget_failed(inode);
return ERR_PTR(ret);
}
struct ext4_inode *raw_inode,
Index: linux-stage/fs/ext4/extents.c
===================================================================
---- linux-stage.orig/fs/ext4/extents.c 2011-04-01 09:35:55.753622118 +0800
-+++ linux-stage/fs/ext4/extents.c 2011-04-01 10:55:10.320938356 +0800
-@@ -1866,9 +1866,7 @@
- while (block < last && block != EXT_MAX_BLOCK) {
- num = last - block;
- /* find extent for this block */
-- down_read(&EXT4_I(inode)->i_data_sem);
- path = ext4_ext_find_extent(inode, block, path);
-- up_read(&EXT4_I(inode)->i_data_sem);
- if (IS_ERR(path)) {
- err = PTR_ERR(path);
- path = NULL;
-@@ -1965,6 +1963,7 @@
+--- linux-stage.orig/fs/ext4/extents.c
++++ linux-stage/fs/ext4/extents.c
+@@ -1965,6 +1965,7 @@ int ext4_ext_walk_space(struct inode *in
return err;
}
static void
ext4_ext_put_in_cache(struct inode *inode, ext4_lblk_t block,
-@@ -2133,6 +2132,55 @@
+@@ -2133,6 +2134,55 @@ int ext4_ext_calc_credits_for_single_ext
}
/*
* How many index/leaf blocks need to change/allocate to modify nrblocks?
*
* if nrblocks are fit in a single extent (chunk flag is 1), then
-@@ -3934,10 +3982,21 @@
- * Walk the extent tree gathering extent information.
- * ext4_ext_fiemap_cb will push extents back to user.
- */
-+ down_read(&EXT4_I(inode)->i_data_sem);
- error = ext4_ext_walk_space(inode, start_blk, len_blks,
- ext4_ext_fiemap_cb, fieinfo);
-+ up_read(&EXT4_I(inode)->i_data_sem);
- }
-
+@@ -3941,3 +3991,12 @@ int ext4_fiemap(struct inode *inode, str
return error;
}