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Commit a3f92fe7 authored by Stephen Rothwell's avatar Stephen Rothwell
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Merge commit 'ext3/for_next'

parents e4f4ee42 a22b086b
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Showing with 79 additions and 59 deletions
MAINTAINERS
View file @ a3f92fe7
......@@ -1971,7 +1971,6 @@ F: fs/ext2/
F: include/linux/ext2*
EXT3 FILE SYSTEM
M: Stephen Tweedie <sct@redhat.com>
M: Andrew Morton <akpm@linux-foundation.org>
M: Andreas Dilger <adilger@sun.com>
L: linux-ext4@vger.kernel.org
......@@ -2889,8 +2888,8 @@ F: fs/jffs2/
F: include/linux/jffs2.h
JOURNALLING LAYER FOR BLOCK DEVICES (JBD)
M: Stephen Tweedie <sct@redhat.com>
M: Andrew Morton <akpm@linux-foundation.org>
M: Jan Kara <jack@suse.cz>
L: linux-ext4@vger.kernel.org
S: Maintained
F: fs/jbd*/
......
fs/ext3/inode.c
View file @ a3f92fe7
......@@ -172,10 +172,21 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
* so before we call here everything must be consistently dirtied against
* this transaction.
*/
static int ext3_journal_test_restart(handle_t *handle, struct inode *inode)
static int truncate_restart_transaction(handle_t *handle, struct inode *inode)
{
int ret;
jbd_debug(2, "restarting handle %p\n", handle);
return ext3_journal_restart(handle, blocks_for_truncate(inode));
/*
* Drop truncate_mutex to avoid deadlock with ext3_get_blocks_handle
* At this moment, get_block can be called only for blocks inside
* i_size since page cache has been already dropped and writes are
* blocked by i_mutex. So we can safely drop the truncate_mutex.
*/
mutex_unlock(&EXT3_I(inode)->truncate_mutex);
ret = ext3_journal_restart(handle, blocks_for_truncate(inode));
mutex_lock(&EXT3_I(inode)->truncate_mutex);
return ret;
}
/*
......@@ -2072,7 +2083,7 @@ static void ext3_clear_blocks(handle_t *handle, struct inode *inode,
ext3_journal_dirty_metadata(handle, bh);
}
ext3_mark_inode_dirty(handle, inode);
ext3_journal_test_restart(handle, inode);
truncate_restart_transaction(handle, inode);
if (bh) {
BUFFER_TRACE(bh, "retaking write access");
ext3_journal_get_write_access(handle, bh);
......@@ -2282,7 +2293,7 @@ static void ext3_free_branches(handle_t *handle, struct inode *inode,
return;
if (try_to_extend_transaction(handle, inode)) {
ext3_mark_inode_dirty(handle, inode);
ext3_journal_test_restart(handle, inode);
truncate_restart_transaction(handle, inode);
}
ext3_free_blocks(handle, inode, nr, 1);
......@@ -2892,6 +2903,10 @@ static int ext3_do_update_inode(handle_t *handle,
struct buffer_head *bh = iloc->bh;
int err = 0, rc, block;
again:
/* we can't allow multiple procs in here at once, its a bit racey */
lock_buffer(bh);
/* For fields not not tracking in the in-memory inode,
* initialise them to zero for new inodes. */
if (ei->i_state & EXT3_STATE_NEW)
......@@ -2951,16 +2966,20 @@ static int ext3_do_update_inode(handle_t *handle,
/* If this is the first large file
* created, add a flag to the superblock.
*/
unlock_buffer(bh);
err = ext3_journal_get_write_access(handle,
EXT3_SB(sb)->s_sbh);
if (err)
goto out_brelse;
ext3_update_dynamic_rev(sb);
EXT3_SET_RO_COMPAT_FEATURE(sb,
EXT3_FEATURE_RO_COMPAT_LARGE_FILE);
handle->h_sync = 1;
err = ext3_journal_dirty_metadata(handle,
EXT3_SB(sb)->s_sbh);
/* get our lock and start over */
goto again;
}
}
}
......@@ -2983,6 +3002,7 @@ static int ext3_do_update_inode(handle_t *handle,
raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize);
BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");
unlock_buffer(bh);
rc = ext3_journal_dirty_metadata(handle, bh);
if (!err)
err = rc;
......
fs/jbd/checkpoint.c
View file @ a3f92fe7
......@@ -456,7 +456,7 @@ int cleanup_journal_tail(journal_t *journal)
{
transaction_t * transaction;
tid_t first_tid;
unsigned long blocknr, freed;
unsigned int blocknr, freed;
if (is_journal_aborted(journal))
return 1;
......@@ -502,8 +502,8 @@ int cleanup_journal_tail(journal_t *journal)
freed = freed + journal->j_last - journal->j_first;
jbd_debug(1,
"Cleaning journal tail from %d to %d (offset %lu), "
"freeing %lu\n",
"Cleaning journal tail from %d to %d (offset %u), "
"freeing %u\n",
journal->j_tail_sequence, first_tid, blocknr, freed);
journal->j_free += freed;
......
fs/jbd/commit.c
View file @ a3f92fe7
......@@ -308,7 +308,7 @@ void journal_commit_transaction(journal_t *journal)
int bufs;
int flags;
int err;
unsigned long blocknr;
unsigned int blocknr;
ktime_t start_time;
u64 commit_time;
char *tagp = NULL;
......
fs/jbd/journal.c
View file @ a3f92fe7
......@@ -276,7 +276,7 @@ static void journal_kill_thread(journal_t *journal)
int journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
unsigned long blocknr)
unsigned int blocknr)
{
int need_copy_out = 0;
int done_copy_out = 0;
......@@ -567,9 +567,9 @@ int log_wait_commit(journal_t *journal, tid_t tid)
* Log buffer allocation routines:
*/
int journal_next_log_block(journal_t *journal, unsigned long *retp)
int journal_next_log_block(journal_t *journal, unsigned int *retp)
{
unsigned long blocknr;
unsigned int blocknr;
spin_lock(&journal->j_state_lock);
J_ASSERT(journal->j_free > 1);
......@@ -590,11 +590,11 @@ int journal_next_log_block(journal_t *journal, unsigned long *retp)
* this is a no-op. If needed, we can use j_blk_offset - everything is
* ready.
*/
int journal_bmap(journal_t *journal, unsigned long blocknr,
unsigned long *retp)
int journal_bmap(journal_t *journal, unsigned int blocknr,
unsigned int *retp)
{
int err = 0;
unsigned long ret;
unsigned int ret;
if (journal->j_inode) {
ret = bmap(journal->j_inode, blocknr);
......@@ -604,7 +604,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr,
char b[BDEVNAME_SIZE];
printk(KERN_ALERT "%s: journal block not found "
"at offset %lu on %s\n",
"at offset %u on %s\n",
__func__,
blocknr,
bdevname(journal->j_dev, b));
......@@ -630,7 +630,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr,
struct journal_head *journal_get_descriptor_buffer(journal_t *journal)
{
struct buffer_head *bh;
unsigned long blocknr;
unsigned int blocknr;
int err;
err = journal_next_log_block(journal, &blocknr);
......@@ -774,7 +774,7 @@ journal_t * journal_init_inode (struct inode *inode)
journal_t *journal = journal_init_common();
int err;
int n;
unsigned long blocknr;
unsigned int blocknr;
if (!journal)
return NULL;
......@@ -846,12 +846,12 @@ static void journal_fail_superblock (journal_t *journal)
static int journal_reset(journal_t *journal)
{
journal_superblock_t *sb = journal->j_superblock;
unsigned long first, last;
unsigned int first, last;
first = be32_to_cpu(sb->s_first);
last = be32_to_cpu(sb->s_maxlen);
if (first + JFS_MIN_JOURNAL_BLOCKS > last + 1) {
printk(KERN_ERR "JBD: Journal too short (blocks %lu-%lu).\n",
printk(KERN_ERR "JBD: Journal too short (blocks %u-%u).\n",
first, last);
journal_fail_superblock(journal);
return -EINVAL;
......@@ -885,7 +885,7 @@ static int journal_reset(journal_t *journal)
**/
int journal_create(journal_t *journal)
{
unsigned long blocknr;
unsigned int blocknr;
struct buffer_head *bh;
journal_superblock_t *sb;
int i, err;
......@@ -969,14 +969,14 @@ void journal_update_superblock(journal_t *journal, int wait)
if (sb->s_start == 0 && journal->j_tail_sequence ==
journal->j_transaction_sequence) {
jbd_debug(1,"JBD: Skipping superblock update on recovered sb "
"(start %ld, seq %d, errno %d)\n",
"(start %u, seq %d, errno %d)\n",
journal->j_tail, journal->j_tail_sequence,
journal->j_errno);
goto out;
}
spin_lock(&journal->j_state_lock);
jbd_debug(1,"JBD: updating superblock (start %ld, seq %d, errno %d)\n",
jbd_debug(1,"JBD: updating superblock (start %u, seq %d, errno %d)\n",
journal->j_tail, journal->j_tail_sequence, journal->j_errno);
sb->s_sequence = cpu_to_be32(journal->j_tail_sequence);
......@@ -1371,7 +1371,7 @@ int journal_flush(journal_t *journal)
{
int err = 0;
transaction_t *transaction = NULL;
unsigned long old_tail;
unsigned int old_tail;
spin_lock(&journal->j_state_lock);
......
fs/jbd/recovery.c
View file @ a3f92fe7
......@@ -70,7 +70,7 @@ static int do_readahead(journal_t *journal, unsigned int start)
{
int err;
unsigned int max, nbufs, next;
unsigned long blocknr;
unsigned int blocknr;
struct buffer_head *bh;
struct buffer_head * bufs[MAXBUF];
......@@ -132,7 +132,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
unsigned int offset)
{
int err;
unsigned long blocknr;
unsigned int blocknr;
struct buffer_head *bh;
*bhp = NULL;
......@@ -314,7 +314,7 @@ static int do_one_pass(journal_t *journal,
struct recovery_info *info, enum passtype pass)
{
unsigned int first_commit_ID, next_commit_ID;
unsigned long next_log_block;
unsigned int next_log_block;
int err, success = 0;
journal_superblock_t * sb;
journal_header_t * tmp;
......@@ -367,14 +367,14 @@ static int do_one_pass(journal_t *journal,
if (tid_geq(next_commit_ID, info->end_transaction))
break;
jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
jbd_debug(2, "Scanning for sequence ID %u at %u/%u\n",
next_commit_ID, next_log_block, journal->j_last);
/* Skip over each chunk of the transaction looking
* either the next descriptor block or the final commit
* record. */
jbd_debug(3, "JBD: checking block %ld\n", next_log_block);
jbd_debug(3, "JBD: checking block %u\n", next_log_block);
err = jread(&bh, journal, next_log_block);
if (err)
goto failed;
......@@ -429,7 +429,7 @@ static int do_one_pass(journal_t *journal,
tagp = &bh->b_data[sizeof(journal_header_t)];
while ((tagp - bh->b_data +sizeof(journal_block_tag_t))
<= journal->j_blocksize) {
unsigned long io_block;
unsigned int io_block;
tag = (journal_block_tag_t *) tagp;
flags = be32_to_cpu(tag->t_flags);
......@@ -443,10 +443,10 @@ static int do_one_pass(journal_t *journal,
success = err;
printk (KERN_ERR
"JBD: IO error %d recovering "
"block %ld in log\n",
"block %u in log\n",
err, io_block);
} else {
unsigned long blocknr;
unsigned int blocknr;
J_ASSERT(obh != NULL);
blocknr = be32_to_cpu(tag->t_blocknr);
......@@ -581,7 +581,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,
max = be32_to_cpu(header->r_count);
while (offset < max) {
unsigned long blocknr;
unsigned int blocknr;
int err;
blocknr = be32_to_cpu(* ((__be32 *) (bh->b_data+offset)));
......
fs/jbd/revoke.c
View file @ a3f92fe7
......@@ -101,7 +101,7 @@ struct jbd_revoke_record_s
{
struct list_head hash;
tid_t sequence; /* Used for recovery only */
unsigned long blocknr;
unsigned int blocknr;
};
......@@ -126,7 +126,7 @@ static void flush_descriptor(journal_t *, struct journal_head *, int, int);
/* Utility functions to maintain the revoke table */
/* Borrowed from buffer.c: this is a tried and tested block hash function */
static inline int hash(journal_t *journal, unsigned long block)
static inline int hash(journal_t *journal, unsigned int block)
{
struct jbd_revoke_table_s *table = journal->j_revoke;
int hash_shift = table->hash_shift;
......@@ -136,7 +136,7 @@ static inline int hash(journal_t *journal, unsigned long block)
(block << (hash_shift - 12))) & (table->hash_size - 1);
}
static int insert_revoke_hash(journal_t *journal, unsigned long blocknr,
static int insert_revoke_hash(journal_t *journal, unsigned int blocknr,
tid_t seq)
{
struct list_head *hash_list;
......@@ -166,7 +166,7 @@ oom:
/* Find a revoke record in the journal's hash table. */
static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal,
unsigned long blocknr)
unsigned int blocknr)
{
struct list_head *hash_list;
struct jbd_revoke_record_s *record;
......@@ -332,7 +332,7 @@ void journal_destroy_revoke(journal_t *journal)
* by one.
*/
int journal_revoke(handle_t *handle, unsigned long blocknr,
int journal_revoke(handle_t *handle, unsigned int blocknr,
struct buffer_head *bh_in)
{
struct buffer_head *bh = NULL;
......@@ -401,7 +401,7 @@ int journal_revoke(handle_t *handle, unsigned long blocknr,
}
}
jbd_debug(2, "insert revoke for block %lu, bh_in=%p\n", blocknr, bh_in);
jbd_debug(2, "insert revoke for block %u, bh_in=%p\n", blocknr, bh_in);
err = insert_revoke_hash(journal, blocknr,
handle->h_transaction->t_tid);
BUFFER_TRACE(bh_in, "exit");
......@@ -644,7 +644,7 @@ static void flush_descriptor(journal_t *journal,
*/
int journal_set_revoke(journal_t *journal,
unsigned long blocknr,
unsigned int blocknr,
tid_t sequence)
{
struct jbd_revoke_record_s *record;
......@@ -668,7 +668,7 @@ int journal_set_revoke(journal_t *journal,
*/
int journal_test_revoke(journal_t *journal,
unsigned long blocknr,
unsigned int blocknr,
tid_t sequence)
{
struct jbd_revoke_record_s *record;
......
fs/jbd/transaction.c
View file @ a3f92fe7
......@@ -56,7 +56,8 @@ get_transaction(journal_t *journal, transaction_t *transaction)
spin_lock_init(&transaction->t_handle_lock);
/* Set up the commit timer for the new transaction. */
journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
journal->j_commit_timer.expires =
round_jiffies_up(transaction->t_expires);
add_timer(&journal->j_commit_timer);
J_ASSERT(journal->j_running_transaction == NULL);
......@@ -228,6 +229,8 @@ repeat_locked:
__log_space_left(journal));
spin_unlock(&transaction->t_handle_lock);
spin_unlock(&journal->j_state_lock);
lock_map_acquire(&handle->h_lockdep_map);
out:
if (unlikely(new_transaction)) /* It's usually NULL */
kfree(new_transaction);
......@@ -292,9 +295,6 @@ handle_t *journal_start(journal_t *journal, int nblocks)
handle = ERR_PTR(err);
goto out;
}
lock_map_acquire(&handle->h_lockdep_map);
out:
return handle;
}
......@@ -416,6 +416,7 @@ int journal_restart(handle_t *handle, int nblocks)
__log_start_commit(journal, transaction->t_tid);
spin_unlock(&journal->j_state_lock);
lock_map_release(&handle->h_lockdep_map);
handle->h_buffer_credits = nblocks;
ret = start_this_handle(journal, handle);
return ret;
......
include/linux/jbd.h
View file @ a3f92fe7
......@@ -446,7 +446,7 @@ struct transaction_s
/*
* Where in the log does this transaction's commit start? [no locking]
*/
unsigned long t_log_start;
unsigned int t_log_start;
/* Number of buffers on the t_buffers list [j_list_lock] */
int t_nr_buffers;
......@@ -701,26 +701,26 @@ struct journal_s
* Journal head: identifies the first unused block in the journal.
* [j_state_lock]
*/
unsigned long j_head;
unsigned int j_head;
/*
* Journal tail: identifies the oldest still-used block in the journal.
* [j_state_lock]
*/
unsigned long j_tail;
unsigned int j_tail;
/*
* Journal free: how many free blocks are there in the journal?
* [j_state_lock]
*/
unsigned long j_free;
unsigned int j_free;
/*
* Journal start and end: the block numbers of the first usable block
* and one beyond the last usable block in the journal. [j_state_lock]
*/
unsigned long j_first;
unsigned long j_last;
unsigned int j_first;
unsigned int j_last;
/*
* Device, blocksize and starting block offset for the location where we
......@@ -728,7 +728,7 @@ struct journal_s
*/
struct block_device *j_dev;
int j_blocksize;
unsigned long j_blk_offset;
unsigned int j_blk_offset;
/*
* Device which holds the client fs. For internal journal this will be
......@@ -859,7 +859,7 @@ extern void __journal_clean_data_list(transaction_t *transaction);
/* Log buffer allocation */
extern struct journal_head * journal_get_descriptor_buffer(journal_t *);
int journal_next_log_block(journal_t *, unsigned long *);
int journal_next_log_block(journal_t *, unsigned int *);
/* Commit management */
extern void journal_commit_transaction(journal_t *);
......@@ -874,7 +874,7 @@ extern int
journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
unsigned long blocknr);
unsigned int blocknr);
/* Transaction locking */
extern void __wait_on_journal (journal_t *);
......@@ -942,7 +942,7 @@ extern void journal_abort (journal_t *, int);
extern int journal_errno (journal_t *);
extern void journal_ack_err (journal_t *);
extern int journal_clear_err (journal_t *);
extern int journal_bmap(journal_t *, unsigned long, unsigned long *);
extern int journal_bmap(journal_t *, unsigned int, unsigned int *);
extern int journal_force_commit(journal_t *);
/*
......@@ -976,14 +976,14 @@ extern int journal_init_revoke_caches(void);
extern void journal_destroy_revoke(journal_t *);
extern int journal_revoke (handle_t *,
unsigned long, struct buffer_head *);
unsigned int, struct buffer_head *);
extern int journal_cancel_revoke(handle_t *, struct journal_head *);
extern void journal_write_revoke_records(journal_t *,
transaction_t *, int);
/* Recovery revoke support */
extern int journal_set_revoke(journal_t *, unsigned long, tid_t);
extern int journal_test_revoke(journal_t *, unsigned long, tid_t);
extern int journal_set_revoke(journal_t *, unsigned int, tid_t);
extern int journal_test_revoke(journal_t *, unsigned int, tid_t);
extern void journal_clear_revoke(journal_t *);
extern void journal_switch_revoke_table(journal_t *journal);
......
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