-Index: linux-2.6.16.46-0.14/fs/ext3/super.c
+Index: linux-2.6.16.60-0.37/fs/ext3/super.c
===================================================================
---- linux-2.6.16.46-0.14.orig/fs/ext3/super.c
-+++ linux-2.6.16.46-0.14/fs/ext3/super.c
+--- linux-2.6.16.60-0.37.orig/fs/ext3/super.c
++++ linux-2.6.16.60-0.37/fs/ext3/super.c
@@ -36,6 +36,8 @@
#include <linux/namei.h>
#include <linux/quotaops.h>
#include <asm/uaccess.h>
-@@ -436,6 +438,9 @@ static void ext3_put_super (struct super
+@@ -436,6 +438,8 @@ static void ext3_put_super (struct super
invalidate_bdev(sbi->journal_bdev, 0);
ext3_blkdev_remove(sbi);
}
+ if (sbi->s_mmp_tsk)
+ kthread_stop(sbi->s_mmp_tsk);
-+
- sb->s_fs_info = NULL;
- kfree(sbi);
- return;
-@@ -1521,6 +1526,313 @@ static unsigned long descriptor_loc(stru
+ if (sbi->s_dev_proc) {
+ remove_proc_entry(sbi->s_dev_proc->name, proc_root_ext3);
+ sbi->s_dev_proc = NULL;
+@@ -1525,6 +1529,329 @@ static unsigned long descriptor_loc(stru
return (first_data_block + has_super + (bg * sbi->s_blocks_per_group));
}
+ if (*bh)
+ clear_buffer_uptodate(*bh);
+
++#if 0
+ brelse(*bh);
+
+ *bh = sb_bread(sb, mmp_block);
++#else
++ if (!*bh)
++ *bh = sb_getblk(sb, mmp_block);
++ if (*bh) {
++ get_bh(*bh);
++ lock_buffer(*bh);
++ (*bh)->b_end_io = end_buffer_read_sync;
++ submit_bh(READ_SYNC, *bh);
++ wait_on_buffer(*bh);
++ if (!buffer_uptodate(*bh)) {
++ brelse(*bh);
++ *bh = NULL;
++ }
++ }
++#endif
+ if (!*bh) {
+ ext3_warning(sb, __FUNCTION__,
+ "Error while reading MMP block %lu", mmp_block);
static int ext3_fill_super (struct super_block *sb, void *data, int silent)
{
-@@ -1828,6 +2140,11 @@ static int ext3_fill_super (struct super
+@@ -1849,6 +2176,11 @@ static int ext3_fill_super (struct super
EXT3_HAS_INCOMPAT_FEATURE(sb,
EXT3_FEATURE_INCOMPAT_RECOVER));
+ if (EXT3_HAS_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_MMP) &&
+ !(sb->s_flags & MS_RDONLY))
+ if (ext3_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)))
-+ goto failed_mount3;
++ goto failed_mount2;
+
/*
* The first inode we look at is the journal inode. Don't try
* root first: it may be modified in the journal!
-@@ -2438,7 +2755,7 @@ static int ext3_remount (struct super_bl
+@@ -1993,6 +2325,8 @@ cantfind_ext3:
+ failed_mount3:
+ journal_destroy(sbi->s_journal);
+ failed_mount2:
++ if (sbi->s_mmp_tsk)
++ kthread_stop(sbi->s_mmp_tsk);
+ for (i = 0; i < db_count; i++)
+ brelse(sbi->s_group_desc[i]);
+ kfree(sbi->s_group_desc);
+@@ -2463,7 +2797,7 @@ static int ext3_remount (struct super_bl
unsigned long n_blocks_count = 0;
unsigned long old_sb_flags;
struct ext3_mount_options old_opts;
#ifdef CONFIG_QUOTA
int i;
#endif
-@@ -2522,6 +2839,11 @@ static int ext3_remount (struct super_bl
+@@ -2547,6 +2881,13 @@ static int ext3_remount (struct super_bl
}
if (!ext3_setup_super (sb, es, 0))
sb->s_flags &= ~MS_RDONLY;
+ if (EXT3_HAS_INCOMPAT_FEATURE(sb,
+ EXT3_FEATURE_INCOMPAT_MMP))
+ if (ext3_multi_mount_protect(sb,
-+ le64_to_cpu(es->s_mmp_block)))
++ le64_to_cpu(es->s_mmp_block))) {
++ err = -EROFS;
+ goto restore_opts;
++ }
}
}
#ifdef CONFIG_QUOTA
-Index: linux-2.6.16.46-0.14/include/linux/ext3_fs.h
+Index: linux-2.6.16.60-0.37/include/linux/ext3_fs.h
===================================================================
---- linux-2.6.16.46-0.14.orig/include/linux/ext3_fs.h
-+++ linux-2.6.16.46-0.14/include/linux/ext3_fs.h
-@@ -599,13 +599,17 @@ struct ext3_super_block {
+--- linux-2.6.16.60-0.37.orig/include/linux/ext3_fs.h
++++ linux-2.6.16.60-0.37/include/linux/ext3_fs.h
+@@ -597,13 +597,17 @@ struct ext3_super_block {
__le32 s_first_meta_bg; /* First metablock block group */
__le32 s_mkfs_time; /* When the filesystem was created */
__le32 s_jnl_blocks[17]; /* Backup of the journal inode */
};
#ifdef __KERNEL__
-@@ -699,12 +703,14 @@ static inline int ext3_valid_inum(struct
+@@ -697,12 +701,14 @@ static inline int ext3_valid_inum(struct
#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */
#define EXT3_FEATURE_INCOMPAT_META_BG 0x0010
#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */
#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
-@@ -864,6 +870,39 @@ struct dir_private_info {
+@@ -862,6 +868,39 @@ struct dir_private_info {
#define ERR_BAD_DX_DIR -75000
/*
* Function prototypes
*/
-Index: linux-2.6.16.46-0.14/include/linux/ext3_fs_sb.h
+Index: linux-2.6.16.60-0.37/include/linux/ext3_fs_sb.h
===================================================================
---- linux-2.6.16.46-0.14.orig/include/linux/ext3_fs_sb.h
-+++ linux-2.6.16.46-0.14/include/linux/ext3_fs_sb.h
-@@ -140,6 +140,7 @@ struct ext3_sb_info {
+--- linux-2.6.16.60-0.37.orig/include/linux/ext3_fs_sb.h
++++ linux-2.6.16.60-0.37/include/linux/ext3_fs_sb.h
+@@ -147,6 +147,7 @@ struct ext3_sb_info {
/* locality groups */
struct ext3_locality_group *s_locality_groups;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff