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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
[powerpc.git]
/
fs
/
ext4
/
super.c
diff --git
a/fs/ext4/super.c
b/fs/ext4/super.c
index
f2e8c4a
..
486a641
100644
(file)
--- a/
fs/ext4/super.c
+++ b/
fs/ext4/super.c
@@
-1321,6
+1321,12
@@
static void ext4_orphan_cleanup (struct super_block * sb,
return;
}
return;
}
+ if (bdev_read_only(sb->s_bdev)) {
+ printk(KERN_ERR "EXT4-fs: write access "
+ "unavailable, skipping orphan cleanup.\n");
+ return;
+ }
+
if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
if (es->s_last_orphan)
jbd_debug(1, "Errors on filesystem, "
if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
if (es->s_last_orphan)
jbd_debug(1, "Errors on filesystem, "
@@
-2460,6
+2466,7
@@
static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf)
struct ext4_super_block *es = sbi->s_es;
ext4_fsblk_t overhead;
int i;
struct ext4_super_block *es = sbi->s_es;
ext4_fsblk_t overhead;
int i;
+ u64 fsid;
if (test_opt (sb, MINIX_DF))
overhead = 0;
if (test_opt (sb, MINIX_DF))
overhead = 0;
@@
-2506,6
+2513,10
@@
static int ext4_statfs (struct dentry * dentry, struct kstatfs * buf)
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT4_NAME_LEN;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT4_NAME_LEN;
+ fsid = le64_to_cpup((void *)es->s_uuid) ^
+ le64_to_cpup((void *)es->s_uuid + sizeof(u64));
+ buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
+ buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
return 0;
}
return 0;
}