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authorEgbert Eich <eich@suse.com>2013-05-01 01:13:19 +0000
committerTom Rini <trini@ti.com>2013-05-10 08:16:33 -0400
commit50ce4c07df1c98aabf4630b35152ed95a87242f7 (patch)
treec7e506ab5bcb2839a697cb0a89faa3244077cf69 /fs/ext4/ext4_journal.c
parentb1e6c4c3d4a2b394096766d959aaa9b51a38099b (diff)
fs/ext4: Support device block sizes != 512 bytes
The 512 byte block size was hard coded in the ext4 file systems. Large harddisks today support bigger block sizes typically 4096 bytes. This patch removes this limitation. Signed-off-by: Egbert Eich <eich@suse.com>
Diffstat (limited to 'fs/ext4/ext4_journal.c')
-rw-r--r--fs/ext4/ext4_journal.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c
index ba4a7bb713..81aa5fc0f8 100644
--- a/fs/ext4/ext4_journal.c
+++ b/fs/ext4/ext4_journal.c
@@ -534,16 +534,14 @@ end:
jsb->s_start = cpu_to_be32(1);
jsb->s_sequence = cpu_to_be32(be32_to_cpu(jsb->s_sequence) + 1);
/* get the superblock */
- ext4fs_devread(SUPERBLOCK_SECTOR, 0, SUPERBLOCK_SIZE,
- (char *)fs->sb);
+ ext4_read_superblock((char *)fs->sb);
fs->sb->feature_incompat |= EXT3_FEATURE_INCOMPAT_RECOVER;
/* Update the super block */
put_ext4((uint64_t) (SUPERBLOCK_SIZE),
(struct ext2_sblock *)fs->sb,
(uint32_t) SUPERBLOCK_SIZE);
- ext4fs_devread(SUPERBLOCK_SECTOR, 0, SUPERBLOCK_SIZE,
- (char *)fs->sb);
+ ext4_read_superblock((char *)fs->sb);
blknr = read_allocated_block(&inode_journal,
EXT2_JOURNAL_SUPERBLOCK);