*/
}
-int ext4_update_compat_feature(handle_t *handle,
- struct super_block *sb, __u32 compat)
-{
- int err = 0;
- if (!EXT4_HAS_COMPAT_FEATURE(sb, compat)) {
- err = ext4_journal_get_write_access(handle,
- EXT4_SB(sb)->s_sbh);
- if (err)
- return err;
- EXT4_SET_COMPAT_FEATURE(sb, compat);
- sb->s_dirt = 1;
- handle->h_sync = 1;
- BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
- "call ext4_journal_dirty_met adata");
- err = ext4_journal_dirty_metadata(handle,
- EXT4_SB(sb)->s_sbh);
- }
- return err;
-}
-
-int ext4_update_rocompat_feature(handle_t *handle,
- struct super_block *sb, __u32 rocompat)
-{
- int err = 0;
- if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, rocompat)) {
- err = ext4_journal_get_write_access(handle,
- EXT4_SB(sb)->s_sbh);
- if (err)
- return err;
- EXT4_SET_RO_COMPAT_FEATURE(sb, rocompat);
- sb->s_dirt = 1;
- handle->h_sync = 1;
- BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
- "call ext4_journal_dirty_met adata");
- err = ext4_journal_dirty_metadata(handle,
- EXT4_SB(sb)->s_sbh);
- }
- return err;
-}
-
-int ext4_update_incompat_feature(handle_t *handle,
- struct super_block *sb, __u32 incompat)
-{
- int err = 0;
- if (!EXT4_HAS_INCOMPAT_FEATURE(sb, incompat)) {
- err = ext4_journal_get_write_access(handle,
- EXT4_SB(sb)->s_sbh);
- if (err)
- return err;
- EXT4_SET_INCOMPAT_FEATURE(sb, incompat);
- sb->s_dirt = 1;
- handle->h_sync = 1;
- BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
- "call ext4_journal_dirty_met adata");
- err = ext4_journal_dirty_metadata(handle,
- EXT4_SB(sb)->s_sbh);
- }
- return err;
-}
-
/*
* Open the external journal device
*/
*
* Note, this does *not* consider any metadata overhead for vfs i_blocks.
*/
-static loff_t ext4_max_size(int blkbits)
+static loff_t ext4_max_size(int blkbits, int has_huge_files)
{
loff_t res;
loff_t upper_limit = MAX_LFS_FILESIZE;
/* small i_blocks in vfs inode? */
- if (sizeof(blkcnt_t) < sizeof(u64)) {
+ if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
/*
* CONFIG_LSF is not enabled implies the inode
* i_block represent total blocks in 512 bytes
* block limit, and also a limit of (2^48 - 1) 512-byte sectors in i_blocks.
* We need to be 1 filesystem block less than the 2^48 sector limit.
*/
-static loff_t ext4_max_bitmap_size(int bits)
+static loff_t ext4_max_bitmap_size(int bits, int has_huge_files)
{
loff_t res = EXT4_NDIR_BLOCKS;
int meta_blocks;
* total number of 512 bytes blocks of the file
*/
- if (sizeof(blkcnt_t) < sizeof(u64)) {
+ if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
/*
- * CONFIG_LSF is not enabled implies the inode
- * i_block represent total blocks in 512 bytes
- * 32 == size of vfs inode i_blocks * 8
+ * !has_huge_files or CONFIG_LSF is not enabled
+ * implies the inode i_block represent total blocks in
+ * 512 bytes 32 == size of vfs inode i_blocks * 8
*/
upper_limit = (1LL << 32) - 1;
int blocksize;
int db_count;
int i;
- int needs_recovery;
+ int needs_recovery, has_huge_files;
__le32 features;
__u64 blocks_count;
int err;
sb->s_id, le32_to_cpu(features));
goto failed_mount;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
+ has_huge_files = EXT4_HAS_RO_COMPAT_FEATURE(sb,
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
+ if (has_huge_files) {
/*
* Large file size enabled file system can only be
* mount if kernel is build with CONFIG_LSF
}
}
- sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits);
- sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits);
+ sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits,
+ has_huge_files);
+ sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files);
if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
* Standard function to be called on quota_on
*/
static int ext4_quota_on(struct super_block *sb, int type, int format_id,
- char *path, int remount)
+ char *name, int remount)
{
int err;
- struct nameidata nd;
+ struct path path;
if (!test_opt(sb, QUOTA))
return -EINVAL;
- /* When remounting, no checks are needed and in fact, path is NULL */
+ /* When remounting, no checks are needed and in fact, name is NULL */
if (remount)
- return vfs_quota_on(sb, type, format_id, path, remount);
+ return vfs_quota_on(sb, type, format_id, name, remount);
- err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+ err = kern_path(name, LOOKUP_FOLLOW, &path);
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.path.mnt->mnt_sb != sb) {
- path_put(&nd.path);
+ if (path.mnt->mnt_sb != sb) {
+ path_put(&path);
return -EXDEV;
}
/* Journaling quota? */
if (EXT4_SB(sb)->s_qf_names[type]) {
/* Quotafile not in fs root? */
- if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (path.dentry->d_parent != sb->s_root)
printk(KERN_WARNING
"EXT4-fs: Quota file not on filesystem root. "
"Journaled quota will not work.\n");
* When we journal data on quota file, we have to flush journal to see
* all updates to the file when we bypass pagecache...
*/
- if (ext4_should_journal_data(nd.path.dentry->d_inode)) {
+ if (ext4_should_journal_data(path.dentry->d_inode)) {
/*
* We don't need to lock updates but journal_flush() could
* otherwise be livelocked...
err = jbd2_journal_flush(EXT4_SB(sb)->s_journal);
jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
if (err) {
- path_put(&nd.path);
+ path_put(&path);
return err;
}
}
- err = vfs_quota_on_path(sb, type, format_id, &nd.path);
- path_put(&nd.path);
+ err = vfs_quota_on_path(sb, type, format_id, &path);
+ path_put(&path);
return err;
}
projects / linux-2.6-omap-h63xx.git / blobdiff