#include <linux/string.h>
#include <linux/fs.h>
#include <linux/time.h>
-#include <linux/jbd.h>
+#include <linux/jbd2.h>
#include <linux/ext4_fs.h>
-#include <linux/ext4_jbd.h>
+#include <linux/ext4_jbd2.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/blkdev.h>
static void ext4_write_super (struct super_block * sb);
static void ext4_write_super_lockfs(struct super_block *sb);
+
+ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
+ struct ext4_group_desc *bg)
+{
+ return le32_to_cpu(bg->bg_block_bitmap) |
+ (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
+ (ext4_fsblk_t)le32_to_cpu(bg->bg_block_bitmap_hi) << 32 : 0);
+}
+
+ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb,
+ struct ext4_group_desc *bg)
+{
+ return le32_to_cpu(bg->bg_inode_bitmap) |
+ (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
+ (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_bitmap_hi) << 32 : 0);
+}
+
+ext4_fsblk_t ext4_inode_table(struct super_block *sb,
+ struct ext4_group_desc *bg)
+{
+ return le32_to_cpu(bg->bg_inode_table) |
+ (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
+ (ext4_fsblk_t)le32_to_cpu(bg->bg_inode_table_hi) << 32 : 0);
+}
+
+void ext4_block_bitmap_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk)
+{
+ bg->bg_block_bitmap = cpu_to_le32((u32)blk);
+ if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT)
+ bg->bg_block_bitmap_hi = cpu_to_le32(blk >> 32);
+}
+
+void ext4_inode_bitmap_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk)
+{
+ bg->bg_inode_bitmap = cpu_to_le32((u32)blk);
+ if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT)
+ bg->bg_inode_bitmap_hi = cpu_to_le32(blk >> 32);
+}
+
+void ext4_inode_table_set(struct super_block *sb,
+ struct ext4_group_desc *bg, ext4_fsblk_t blk)
+{
+ bg->bg_inode_table = cpu_to_le32((u32)blk);
+ if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT)
+ bg->bg_inode_table_hi = cpu_to_le32(blk >> 32);
+}
+
/*
- * Wrappers for journal_start/end.
+ * Wrappers for jbd2_journal_start/end.
*
* The only special thing we need to do here is to make sure that all
* journal_end calls result in the superblock being marked dirty, so
return ERR_PTR(-EROFS);
}
- return journal_start(journal, nblocks);
+ return jbd2_journal_start(journal, nblocks);
}
/*
* The only special thing we need to do here is to make sure that all
- * journal_stop calls result in the superblock being marked dirty, so
+ * jbd2_journal_stop calls result in the superblock being marked dirty, so
* that sync() will call the filesystem's write_super callback if
* appropriate.
*/
sb = handle->h_transaction->t_journal->j_private;
err = handle->h_err;
- rc = journal_stop(handle);
+ rc = jbd2_journal_stop(handle);
if (!err)
err = rc;
printk(KERN_ERR "%s: aborting transaction: %s in %s\n",
caller, errstr, err_fn);
- journal_abort_handle(handle);
+ jbd2_journal_abort_handle(handle);
}
/* Deal with the reporting of failure conditions on a filesystem such as
* be aborted, we can't rely on the current, or future, transactions to
* write out the superblock safely.
*
- * We'll just use the journal_abort() error code to record an error in
+ * We'll just use the jbd2_journal_abort() error code to record an error in
* the journal instead. On recovery, the journal will compain about
* that error until we've noted it down and cleared it.
*/
EXT4_SB(sb)->s_mount_opt |= EXT4_MOUNT_ABORT;
if (journal)
- journal_abort(journal, -EIO);
+ jbd2_journal_abort(journal, -EIO);
}
if (test_opt (sb, ERRORS_RO)) {
printk (KERN_CRIT "Remounting filesystem read-only\n");
errstr = "Out of memory";
break;
case -EROFS:
- if (!sb || EXT4_SB(sb)->s_journal->j_flags & JFS_ABORT)
+ if (!sb || EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT)
errstr = "Journal has aborted";
else
errstr = "Readonly filesystem";
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
sb->s_flags |= MS_RDONLY;
EXT4_SB(sb)->s_mount_opt |= EXT4_MOUNT_ABORT;
- journal_abort(EXT4_SB(sb)->s_journal, -EIO);
+ jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO);
}
void ext4_warning (struct super_block * sb, const char * function,
struct ext4_super_block *es = sbi->s_es;
int i;
+ ext4_ext_release(sb);
ext4_xattr_put_super(sb);
- journal_destroy(sbi->s_journal);
+ jbd2_journal_destroy(sbi->s_journal);
if (!(sb->s_flags & MS_RDONLY)) {
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
es->s_state = cpu_to_le16(sbi->s_mount_state);
return;
}
-static kmem_cache_t *ext4_inode_cachep;
+static struct kmem_cache *ext4_inode_cachep;
/*
* Called inside transaction, so use GFP_NOFS
{
struct ext4_inode_info *ei;
- ei = kmem_cache_alloc(ext4_inode_cachep, SLAB_NOFS);
+ ei = kmem_cache_alloc(ext4_inode_cachep, GFP_NOFS);
if (!ei)
return NULL;
#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL
#endif
ei->i_block_alloc_info = NULL;
ei->vfs_inode.i_version = 1;
+ memset(&ei->i_cached_extent, 0, sizeof(struct ext4_ext_cache));
return &ei->vfs_inode;
}
kmem_cache_free(ext4_inode_cachep, EXT4_I(inode));
}
-static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
{
struct ext4_inode_info *ei = (struct ext4_inode_info *) foo;
Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
- Opt_grpquota
+ Opt_grpquota, Opt_extents,
};
static match_table_t tokens = {
{Opt_quota, "quota"},
{Opt_usrquota, "usrquota"},
{Opt_barrier, "barrier=%u"},
+ {Opt_extents, "extents"},
{Opt_err, NULL},
{Opt_resize, "resize"},
};
case Opt_bh:
clear_opt(sbi->s_mount_opt, NOBH);
break;
+ case Opt_extents:
+ set_opt (sbi->s_mount_opt, EXTENTS);
+ break;
default:
printk (KERN_ERR
"EXT4-fs: Unrecognized mount option \"%s\" "
"running e2fsck is recommended\n");
#if 0
/* @@@ We _will_ want to clear the valid bit if we find
- inconsistencies, to force a fsck at reboot. But for
- a plain journaled filesystem we can keep it set as
- valid forever! :) */
+ * inconsistencies, to force a fsck at reboot. But for
+ * a plain journaled filesystem we can keep it set as
+ * valid forever! :)
+ */
es->s_state = cpu_to_le16(le16_to_cpu(es->s_state) & ~EXT4_VALID_FS);
#endif
if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
struct ext4_sb_info *sbi = EXT4_SB(sb);
ext4_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
ext4_fsblk_t last_block;
+ ext4_fsblk_t block_bitmap;
+ ext4_fsblk_t inode_bitmap;
+ ext4_fsblk_t inode_table;
struct ext4_group_desc * gdp = NULL;
int desc_block = 0;
int i;
for (i = 0; i < sbi->s_groups_count; i++)
{
if (i == sbi->s_groups_count - 1)
- last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
+ last_block = ext4_blocks_count(sbi->s_es) - 1;
else
last_block = first_block +
(EXT4_BLOCKS_PER_GROUP(sb) - 1);
if ((i % EXT4_DESC_PER_BLOCK(sb)) == 0)
gdp = (struct ext4_group_desc *)
sbi->s_group_desc[desc_block++]->b_data;
- if (le32_to_cpu(gdp->bg_block_bitmap) < first_block ||
- le32_to_cpu(gdp->bg_block_bitmap) > last_block)
+ block_bitmap = ext4_block_bitmap(sb, gdp);
+ if (block_bitmap < first_block || block_bitmap > last_block)
{
ext4_error (sb, "ext4_check_descriptors",
"Block bitmap for group %d"
- " not in group (block %lu)!",
- i, (unsigned long)
- le32_to_cpu(gdp->bg_block_bitmap));
+ " not in group (block %llu)!",
+ i, block_bitmap);
return 0;
}
- if (le32_to_cpu(gdp->bg_inode_bitmap) < first_block ||
- le32_to_cpu(gdp->bg_inode_bitmap) > last_block)
+ inode_bitmap = ext4_inode_bitmap(sb, gdp);
+ if (inode_bitmap < first_block || inode_bitmap > last_block)
{
ext4_error (sb, "ext4_check_descriptors",
"Inode bitmap for group %d"
- " not in group (block %lu)!",
- i, (unsigned long)
- le32_to_cpu(gdp->bg_inode_bitmap));
+ " not in group (block %llu)!",
+ i, inode_bitmap);
return 0;
}
- if (le32_to_cpu(gdp->bg_inode_table) < first_block ||
- le32_to_cpu(gdp->bg_inode_table) + sbi->s_itb_per_group >
- last_block)
+ inode_table = ext4_inode_table(sb, gdp);
+ if (inode_table < first_block ||
+ inode_table + sbi->s_itb_per_group > last_block)
{
ext4_error (sb, "ext4_check_descriptors",
"Inode table for group %d"
- " not in group (block %lu)!",
- i, (unsigned long)
- le32_to_cpu(gdp->bg_inode_table));
+ " not in group (block %llu)!",
+ i, inode_table);
return 0;
}
first_block += EXT4_BLOCKS_PER_GROUP(sb);
- gdp++;
+ gdp = (struct ext4_group_desc *)
+ ((__u8 *)gdp + EXT4_DESC_SIZE(sb));
}
- sbi->s_es->s_free_blocks_count=cpu_to_le32(ext4_count_free_blocks(sb));
+ ext4_free_blocks_count_set(sbi->s_es, ext4_count_free_blocks(sb));
sbi->s_es->s_free_inodes_count=cpu_to_le32(ext4_count_free_inodes(sb));
return 1;
}
return;
}
+ if (bdev_read_only(sb->s_bdev)) {
+ printk(KERN_ERR "EXT4-fs: write access "
+ "unavailable, skipping orphan cleanup.\n");
+ return;
+ }
+
if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
if (es->s_last_orphan)
jbd_debug(1, "Errors on filesystem, "
}
static ext4_fsblk_t descriptor_loc(struct super_block *sb,
- ext4_fsblk_t logic_sb_block,
- int nr)
+ ext4_fsblk_t logical_sb_block, int nr)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
unsigned long bg, first_meta_bg;
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_META_BG) ||
nr < first_meta_bg)
- return (logic_sb_block + nr + 1);
+ return logical_sb_block + nr + 1;
bg = sbi->s_desc_per_block * nr;
if (ext4_bg_has_super(sb, bg))
has_super = 1;
struct ext4_sb_info *sbi;
ext4_fsblk_t block;
ext4_fsblk_t sb_block = get_sb_block(&data);
- ext4_fsblk_t logic_sb_block;
+ ext4_fsblk_t logical_sb_block;
unsigned long offset = 0;
unsigned int journal_inum = 0;
unsigned long journal_devnum = 0;
int i;
int needs_recovery;
__le32 features;
+ __u64 blocks_count;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
* block sizes. We need to calculate the offset from buffer start.
*/
if (blocksize != EXT4_MIN_BLOCK_SIZE) {
- logic_sb_block = (sb_block * EXT4_MIN_BLOCK_SIZE) / blocksize;
- offset = (sb_block * EXT4_MIN_BLOCK_SIZE) % blocksize;
+ logical_sb_block = sb_block * EXT4_MIN_BLOCK_SIZE;
+ offset = do_div(logical_sb_block, blocksize);
} else {
- logic_sb_block = sb_block;
+ logical_sb_block = sb_block;
}
- if (!(bh = sb_bread(sb, logic_sb_block))) {
+ if (!(bh = sb_bread(sb, logical_sb_block))) {
printk (KERN_ERR "EXT4-fs: unable to read superblock\n");
goto out_fail;
}
set_opt(sbi->s_mount_opt, ERRORS_PANIC);
else if (le16_to_cpu(sbi->s_es->s_errors) == EXT4_ERRORS_RO)
set_opt(sbi->s_mount_opt, ERRORS_RO);
+ else
+ set_opt(sbi->s_mount_opt, ERRORS_CONT);
sbi->s_resuid = le16_to_cpu(es->s_def_resuid);
sbi->s_resgid = le16_to_cpu(es->s_def_resgid);
brelse (bh);
sb_set_blocksize(sb, blocksize);
- logic_sb_block = (sb_block * EXT4_MIN_BLOCK_SIZE) / blocksize;
- offset = (sb_block * EXT4_MIN_BLOCK_SIZE) % blocksize;
- bh = sb_bread(sb, logic_sb_block);
+ logical_sb_block = sb_block * EXT4_MIN_BLOCK_SIZE;
+ offset = do_div(logical_sb_block, blocksize);
+ bh = sb_bread(sb, logical_sb_block);
if (!bh) {
printk(KERN_ERR
"EXT4-fs: Can't read superblock on 2nd try.\n");
sbi->s_frag_size, blocksize);
goto failed_mount;
}
- sbi->s_frags_per_block = 1;
+ sbi->s_desc_size = le16_to_cpu(es->s_desc_size);
+ if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT)) {
+ if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT ||
+ sbi->s_desc_size > EXT4_MAX_DESC_SIZE ||
+ sbi->s_desc_size & (sbi->s_desc_size - 1)) {
+ printk(KERN_ERR
+ "EXT4-fs: unsupported descriptor size %lu\n",
+ sbi->s_desc_size);
+ goto failed_mount;
+ }
+ } else
+ sbi->s_desc_size = EXT4_MIN_DESC_SIZE;
sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group);
sbi->s_frags_per_group = le32_to_cpu(es->s_frags_per_group);
sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group);
goto cantfind_ext4;
sbi->s_itb_per_group = sbi->s_inodes_per_group /
sbi->s_inodes_per_block;
- sbi->s_desc_per_block = blocksize / sizeof(struct ext4_group_desc);
+ sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb);
sbi->s_sbh = bh;
sbi->s_mount_state = le16_to_cpu(es->s_state);
sbi->s_addr_per_block_bits = log2(EXT4_ADDR_PER_BLOCK(sb));
goto failed_mount;
}
- if (le32_to_cpu(es->s_blocks_count) >
+ if (ext4_blocks_count(es) >
(sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) {
printk(KERN_ERR "EXT4-fs: filesystem on %s:"
" too large to mount safely\n", sb->s_id);
if (EXT4_BLOCKS_PER_GROUP(sb) == 0)
goto cantfind_ext4;
- sbi->s_groups_count = ((le32_to_cpu(es->s_blocks_count) -
- le32_to_cpu(es->s_first_data_block) - 1)
- / EXT4_BLOCKS_PER_GROUP(sb)) + 1;
+ blocks_count = (ext4_blocks_count(es) -
+ le32_to_cpu(es->s_first_data_block) +
+ EXT4_BLOCKS_PER_GROUP(sb) - 1);
+ do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb));
+ sbi->s_groups_count = blocks_count;
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
sbi->s_group_desc = kmalloc(db_count * sizeof (struct buffer_head *),
bgl_lock_init(&sbi->s_blockgroup_lock);
for (i = 0; i < db_count; i++) {
- block = descriptor_loc(sb, logic_sb_block, i);
+ block = descriptor_loc(sb, logical_sb_block, i);
sbi->s_group_desc[i] = sb_bread(sb, block);
if (!sbi->s_group_desc[i]) {
printk (KERN_ERR "EXT4-fs: "
switch (test_opt(sb, DATA_FLAGS)) {
case 0:
/* No mode set, assume a default based on the journal
- capabilities: ORDERED_DATA if the journal can
- cope, else JOURNAL_DATA */
- if (journal_check_available_features
- (sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE))
+ * capabilities: ORDERED_DATA if the journal can
+ * cope, else JOURNAL_DATA
+ */
+ if (jbd2_journal_check_available_features
+ (sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE))
set_opt(sbi->s_mount_opt, ORDERED_DATA);
else
set_opt(sbi->s_mount_opt, JOURNAL_DATA);
case EXT4_MOUNT_ORDERED_DATA:
case EXT4_MOUNT_WRITEBACK_DATA:
- if (!journal_check_available_features
- (sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)) {
+ if (!jbd2_journal_check_available_features
+ (sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE)) {
printk(KERN_ERR "EXT4-fs: Journal does not support "
"requested data journaling mode\n");
goto failed_mount4;
}
}
/*
- * The journal_load will have done any necessary log recovery,
+ * The jbd2_journal_load will have done any necessary log recovery,
* so we can safely mount the rest of the filesystem now.
*/
test_opt(sb,DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered":
"writeback");
+ ext4_ext_init(sb);
+
lock_kernel();
return 0;
goto failed_mount;
failed_mount4:
- journal_destroy(sbi->s_journal);
+ jbd2_journal_destroy(sbi->s_journal);
failed_mount3:
percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
spin_lock(&journal->j_state_lock);
if (test_opt(sb, BARRIER))
- journal->j_flags |= JFS_BARRIER;
+ journal->j_flags |= JBD2_BARRIER;
else
- journal->j_flags &= ~JFS_BARRIER;
+ journal->j_flags &= ~JBD2_BARRIER;
spin_unlock(&journal->j_state_lock);
}
return NULL;
}
- journal = journal_init_inode(journal_inode);
+ journal = jbd2_journal_init_inode(journal_inode);
if (!journal) {
printk(KERN_ERR "EXT4-fs: Could not load journal inode\n");
iput(journal_inode);
goto out_bdev;
}
- len = le32_to_cpu(es->s_blocks_count);
+ len = ext4_blocks_count(es);
start = sb_block + 1;
brelse(bh); /* we're done with the superblock */
- journal = journal_init_dev(bdev, sb->s_bdev,
+ journal = jbd2_journal_init_dev(bdev, sb->s_bdev,
start, len, blocksize);
if (!journal) {
printk(KERN_ERR "EXT4-fs: failed to create device journal\n");
ext4_init_journal_params(sb, journal);
return journal;
out_journal:
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
out_bdev:
ext4_blkdev_put(bdev);
return NULL;
}
if (!really_read_only && test_opt(sb, UPDATE_JOURNAL)) {
- err = journal_update_format(journal);
+ err = jbd2_journal_update_format(journal);
if (err) {
printk(KERN_ERR "EXT4-fs: error updating journal.\n");
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
return err;
}
}
if (!EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER))
- err = journal_wipe(journal, !really_read_only);
+ err = jbd2_journal_wipe(journal, !really_read_only);
if (!err)
- err = journal_load(journal);
+ err = jbd2_journal_load(journal);
if (err) {
printk(KERN_ERR "EXT4-fs: error loading journal.\n");
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
return err;
}
printk(KERN_INFO "EXT4-fs: creating new journal on inode %u\n",
journal_inum);
- if (journal_create(journal)) {
+ if (jbd2_journal_create(journal)) {
printk(KERN_ERR "EXT4-fs: error creating journal.\n");
- journal_destroy(journal);
+ jbd2_journal_destroy(journal);
return -EIO;
}
if (!sbh)
return;
es->s_wtime = cpu_to_le32(get_seconds());
- es->s_free_blocks_count = cpu_to_le32(ext4_count_free_blocks(sb));
+ ext4_free_blocks_count_set(es, ext4_count_free_blocks(sb));
es->s_free_inodes_count = cpu_to_le32(ext4_count_free_inodes(sb));
BUFFER_TRACE(sbh, "marking dirty");
mark_buffer_dirty(sbh);
{
journal_t *journal = EXT4_SB(sb)->s_journal;
- journal_lock_updates(journal);
- journal_flush(journal);
+ jbd2_journal_lock_updates(journal);
+ jbd2_journal_flush(journal);
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER) &&
sb->s_flags & MS_RDONLY) {
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
sb->s_dirt = 0;
ext4_commit_super(sb, es, 1);
}
- journal_unlock_updates(journal);
+ jbd2_journal_unlock_updates(journal);
}
/*
* journal by a prior ext4_error() or ext4_abort()
*/
- j_errno = journal_errno(journal);
+ j_errno = jbd2_journal_errno(journal);
if (j_errno) {
char nbuf[16];
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
ext4_commit_super (sb, es, 1);
- journal_clear_err(journal);
+ jbd2_journal_clear_err(journal);
}
}
tid_t target;
sb->s_dirt = 0;
- if (journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
+ if (jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
if (wait)
- log_wait_commit(EXT4_SB(sb)->s_journal, target);
+ jbd2_log_wait_commit(EXT4_SB(sb)->s_journal, target);
}
return 0;
}
journal_t *journal = EXT4_SB(sb)->s_journal;
/* Now we set up the journal barrier. */
- journal_lock_updates(journal);
- journal_flush(journal);
+ jbd2_journal_lock_updates(journal);
+ jbd2_journal_flush(journal);
/* Journal blocked and flushed, clear needs_recovery flag. */
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
EXT4_SET_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
unlock_super(sb);
- journal_unlock_updates(EXT4_SB(sb)->s_journal);
+ jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
}
}
ext4_init_journal_params(sb, sbi->s_journal);
if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) ||
- n_blocks_count > le32_to_cpu(es->s_blocks_count)) {
+ n_blocks_count > ext4_blocks_count(es)) {
if (sbi->s_mount_opt & EXT4_MOUNT_ABORT) {
err = -EROFS;
goto restore_opts;
struct ext4_super_block *es = sbi->s_es;
ext4_fsblk_t overhead;
int i;
+ u64 fsid;
if (test_opt (sb, MINIX_DF))
overhead = 0;
buf->f_type = EXT4_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
- buf->f_blocks = le32_to_cpu(es->s_blocks_count) - overhead;
+ buf->f_blocks = ext4_blocks_count(es) - overhead;
buf->f_bfree = percpu_counter_sum(&sbi->s_freeblocks_counter);
- buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count);
- if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count))
+ buf->f_bavail = buf->f_bfree - ext4_r_blocks_count(es);
+ if (buf->f_bfree < ext4_r_blocks_count(es))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum(&sbi->s_freeinodes_counter);
buf->f_namelen = EXT4_NAME_LEN;
+ fsid = le64_to_cpup((void *)es->s_uuid) ^
+ le64_to_cpup((void *)es->s_uuid + sizeof(u64));
+ buf->f_fsid.val[0] = fsid & 0xFFFFFFFFUL;
+ buf->f_fsid.val[1] = (fsid >> 32) & 0xFFFFFFFFUL;
return 0;
}
* is locked for write. Otherwise the are possible deadlocks:
* Process 1 Process 2
* ext4_create() quota_sync()
- * journal_start() write_dquot()
+ * jbd2_journal_start() write_dquot()
* DQUOT_INIT() down(dqio_mutex)
- * down(dqio_mutex) journal_start()
+ * down(dqio_mutex) jbd2_journal_start()
*
*/
err = init_inodecache();
if (err)
goto out1;
- err = register_filesystem(&ext4dev_fs_type);
+ err = register_filesystem(&ext4dev_fs_type);
if (err)
goto out;
return 0;
projects / powerpc.git / blobdiff