* FAT need to use the DIO_LOCKING for avoiding the race
* condition of fat_get_block() and ->truncate().
*/
- ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev,
- iov, offset, nr_segs, fat_get_block, NULL);
+ ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
+ fat_get_block);
if (ret < 0 && (rw & WRITE))
fat_write_failed(mapping, offset + iov_length(iov, nr_segs));
sector_t blocknr;
/* fat_get_cluster() assumes the requested blocknr isn't truncated. */
- down_read(&mapping->host->i_alloc_sem);
+ down_read(&MSDOS_I(mapping->host)->truncate_lock);
blocknr = generic_block_bmap(mapping, block, fat_get_block);
- up_read(&mapping->host->i_alloc_sem);
+ up_read(&MSDOS_I(mapping->host)->truncate_lock);
return blocknr;
}
ei = kmem_cache_alloc(fat_inode_cachep, GFP_NOFS);
if (!ei)
return NULL;
+
+ init_rwsem(&ei->truncate_lock);
return &ei->vfs_inode;
}
out:
/* UTF-8 doesn't provide FAT semantics */
if (!strcmp(opts->iocharset, "utf8")) {
- fat_msg(sb, KERN_ERR, "utf8 is not a recommended IO charset"
+ fat_msg(sb, KERN_WARNING, "utf8 is not a recommended IO charset"
" for FAT filesystems, filesystem will be "
- "case sensitive!\n");
+ "case sensitive!");
}
/* If user doesn't specify allow_utime, it's initialized from dmask. */
sbi->free_clusters = -1; /* Don't know yet */
sbi->free_clus_valid = 0;
sbi->prev_free = FAT_START_ENT;
+ sb->s_maxbytes = 0xffffffff;
if (!sbi->fat_length && b->fat32_length) {
struct fat_boot_fsinfo *fsinfo;
sbi->fat_length = le32_to_cpu(b->fat32_length);
sbi->root_cluster = le32_to_cpu(b->root_cluster);
- sb->s_maxbytes = 0xffffffff;
-
/* MC - if info_sector is 0, don't multiply by 0 */
sbi->fsinfo_sector = le16_to_cpu(b->info_sector);
if (sbi->fsinfo_sector == 0)