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authorArnd Bergmann <arnd@arndb.de>2012-02-28 12:33:41 +0000
committerArnd Bergmann <arnd@arndb.de>2012-02-28 12:33:46 +0000
commitabf45ce84c4e36bd64aef20d7df9a79bd5e4b799 (patch)
treef118e135bdd60b680703d1b38c7fdc7b9d7c503d /fs/btrfs/disk-io.c
parent082f53c2f573c75a8f1610c587a43b6817e20f90 (diff)
parentb1f91a9ce335eb4e0fef17c10f39a438ac3fce9b (diff)
Merge branch 'imx/defconfig' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
* 'imx/defconfig' of git://git.linaro.org/people/shawnguo/linux-2.6: (2 commits) ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE ARM: imx: update imx_v6_v7_defconfig (upadte to v3.3-rc5)
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 811d9f918b1..534266fe505 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2260,6 +2260,12 @@ int open_ctree(struct super_block *sb,
goto fail_sb_buffer;
}
+ if (sectorsize < PAGE_SIZE) {
+ printk(KERN_WARNING "btrfs: Incompatible sector size "
+ "found on %s\n", sb->s_id);
+ goto fail_sb_buffer;
+ }
+
mutex_lock(&fs_info->chunk_mutex);
ret = btrfs_read_sys_array(tree_root);
mutex_unlock(&fs_info->chunk_mutex);
@@ -2301,6 +2307,12 @@ int open_ctree(struct super_block *sb,
btrfs_close_extra_devices(fs_devices);
+ if (!fs_devices->latest_bdev) {
+ printk(KERN_CRIT "btrfs: failed to read devices on %s\n",
+ sb->s_id);
+ goto fail_tree_roots;
+ }
+
retry_root_backup:
blocksize = btrfs_level_size(tree_root,
btrfs_super_root_level(disk_super));