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-rw-r--r--fs/ext2/super.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 16337bf..c9fd8cf 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1038,6 +1038,14 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+ ext2_xip_verify_sb(sb); /* see if bdev supports xip, unset
+ EXT2_MOUNT_XIP if not */
+
+ if ((ext2_use_xip(sb)) && (sb->s_blocksize != PAGE_SIZE)) {
+ printk("XIP: Unsupported blocksize\n");
+ goto restore_opts;
+ }
+
es = sbi->s_es;
if (((sbi->s_mount_opt & EXT2_MOUNT_XIP) !=
(old_mount_opt & EXT2_MOUNT_XIP)) &&
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