From 299717696d48531d70aeb4614c3939e4a28456c1 Mon Sep 17 00:00:00 2001 From: Mingming Cao Date: Wed, 11 Oct 2006 01:21:09 -0700 Subject: [PATCH] [PATCH] jbd2: sector_t conversion JBD layer in-kernel block varibles type fixes to support >32 bit block number and convert to sector_t type. Signed-off-by: Mingming Cao Signed-off-by: Dave Kleikamp Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/jbd2/commit.c | 2 +- fs/jbd2/journal.c | 18 +++++++++--------- fs/jbd2/recovery.c | 8 ++++---- fs/jbd2/revoke.c | 23 ++++++++++++----------- include/linux/ext4_jbd2.h | 2 +- include/linux/jbd2.h | 17 ++++++++--------- 6 files changed, 35 insertions(+), 35 deletions(-) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 44d68a113c7..1a9ce888522 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -293,7 +293,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) int bufs; int flags; int err; - unsigned long blocknr; + sector_t blocknr; char *tagp = NULL; journal_header_t *header; journal_block_tag_t *tag = NULL; diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 926ebcbf8a7..259e8365ea1 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -271,7 +271,7 @@ static void journal_kill_thread(journal_t *journal) int jbd2_journal_write_metadata_buffer(transaction_t *transaction, struct journal_head *jh_in, struct journal_head **jh_out, - unsigned long blocknr) + sector_t blocknr) { int need_copy_out = 0; int done_copy_out = 0; @@ -555,7 +555,7 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid) * Log buffer allocation routines: */ -int jbd2_journal_next_log_block(journal_t *journal, unsigned long *retp) +int jbd2_journal_next_log_block(journal_t *journal, sector_t *retp) { unsigned long blocknr; @@ -579,10 +579,10 @@ int jbd2_journal_next_log_block(journal_t *journal, unsigned long *retp) * ready. */ int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr, - unsigned long *retp) + sector_t *retp) { int err = 0; - unsigned long ret; + sector_t ret; if (journal->j_inode) { ret = bmap(journal->j_inode, blocknr); @@ -618,7 +618,7 @@ int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr, struct journal_head *jbd2_journal_get_descriptor_buffer(journal_t *journal) { struct buffer_head *bh; - unsigned long blocknr; + sector_t blocknr; int err; err = jbd2_journal_next_log_block(journal, &blocknr); @@ -706,7 +706,7 @@ fail: */ journal_t * jbd2_journal_init_dev(struct block_device *bdev, struct block_device *fs_dev, - int start, int len, int blocksize) + sector_t start, int len, int blocksize) { journal_t *journal = journal_init_common(); struct buffer_head *bh; @@ -753,7 +753,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode) journal_t *journal = journal_init_common(); int err; int n; - unsigned long blocknr; + sector_t blocknr; if (!journal) return NULL; @@ -819,7 +819,7 @@ 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; + sector_t first, last; first = be32_to_cpu(sb->s_first); last = be32_to_cpu(sb->s_maxlen); @@ -853,7 +853,7 @@ static int journal_reset(journal_t *journal) **/ int jbd2_journal_create(journal_t *journal) { - unsigned long blocknr; + sector_t blocknr; struct buffer_head *bh; journal_superblock_t *sb; int i, err; diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 2486843adda..52054a83e71 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -70,7 +70,7 @@ static int do_readahead(journal_t *journal, unsigned int start) { int err; unsigned int max, nbufs, next; - unsigned long blocknr; + sector_t 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; + sector_t blocknr; struct buffer_head *bh; *bhp = NULL; @@ -452,7 +452,7 @@ static int do_one_pass(journal_t *journal, "block %ld in log\n", err, io_block); } else { - unsigned long blocknr; + sector_t blocknr; J_ASSERT(obh != NULL); blocknr = read_tag_block(tag_bytes, @@ -592,7 +592,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh, record_len = 8; while (offset + record_len <= max) { - unsigned long blocknr; + sector_t blocknr; int err; if (record_len == 4) diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index 8aac875bd30..3310a1d7ace 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -81,7 +81,7 @@ struct jbd2_revoke_record_s { struct list_head hash; tid_t sequence; /* Used for recovery only */ - unsigned long blocknr; + sector_t blocknr; }; @@ -106,17 +106,18 @@ static void flush_descriptor(journal_t *, struct journal_head *, 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, sector_t block) { struct jbd2_revoke_table_s *table = journal->j_revoke; int hash_shift = table->hash_shift; + int hash = (int)block ^ (int)((block >> 31) >> 1); - return ((block << (hash_shift - 6)) ^ - (block >> 13) ^ - (block << (hash_shift - 12))) & (table->hash_size - 1); + return ((hash << (hash_shift - 6)) ^ + (hash >> 13) ^ + (hash << (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, sector_t blocknr, tid_t seq) { struct list_head *hash_list; @@ -146,7 +147,7 @@ oom: /* Find a revoke record in the journal's hash table. */ static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal, - unsigned long blocknr) + sector_t blocknr) { struct list_head *hash_list; struct jbd2_revoke_record_s *record; @@ -325,7 +326,7 @@ void jbd2_journal_destroy_revoke(journal_t *journal) * by one. */ -int jbd2_journal_revoke(handle_t *handle, unsigned long blocknr, +int jbd2_journal_revoke(handle_t *handle, sector_t blocknr, struct buffer_head *bh_in) { struct buffer_head *bh = NULL; @@ -394,7 +395,7 @@ int jbd2_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 %llu, bh_in=%p\n",blocknr, bh_in); err = insert_revoke_hash(journal, blocknr, handle->h_transaction->t_tid); BUFFER_TRACE(bh_in, "exit"); @@ -649,7 +650,7 @@ static void flush_descriptor(journal_t *journal, */ int jbd2_journal_set_revoke(journal_t *journal, - unsigned long blocknr, + sector_t blocknr, tid_t sequence) { struct jbd2_revoke_record_s *record; @@ -673,7 +674,7 @@ int jbd2_journal_set_revoke(journal_t *journal, */ int jbd2_journal_test_revoke(journal_t *journal, - unsigned long blocknr, + sector_t blocknr, tid_t sequence) { struct jbd2_revoke_record_s *record; diff --git a/include/linux/ext4_jbd2.h b/include/linux/ext4_jbd2.h index f69af60d769..72dd631912e 100644 --- a/include/linux/ext4_jbd2.h +++ b/include/linux/ext4_jbd2.h @@ -154,7 +154,7 @@ __ext4_journal_forget(const char *where, handle_t *handle, struct buffer_head *b static inline int __ext4_journal_revoke(const char *where, handle_t *handle, - unsigned long blocknr, struct buffer_head *bh) + ext4_fsblk_t blocknr, struct buffer_head *bh) { int err = jbd2_journal_revoke(handle, blocknr, bh); if (err) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 5e5aa64f126..3c939c844a7 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -741,7 +741,7 @@ struct journal_s */ struct block_device *j_dev; int j_blocksize; - unsigned long j_blk_offset; + sector_t j_blk_offset; /* * Device which holds the client fs. For internal journal this will be @@ -860,7 +860,7 @@ extern void __journal_clean_data_list(transaction_t *transaction); /* Log buffer allocation */ extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *); -int jbd2_journal_next_log_block(journal_t *, unsigned long *); +int jbd2_journal_next_log_block(journal_t *, sector_t *); /* Commit management */ extern void jbd2_journal_commit_transaction(journal_t *); @@ -875,7 +875,7 @@ extern int jbd2_journal_write_metadata_buffer(transaction_t *transaction, struct journal_head *jh_in, struct journal_head **jh_out, - unsigned long blocknr); + sector_t blocknr); /* Transaction locking */ extern void __wait_on_journal (journal_t *); @@ -923,7 +923,7 @@ extern void jbd2_journal_unlock_updates (journal_t *); extern journal_t * jbd2_journal_init_dev(struct block_device *bdev, struct block_device *fs_dev, - int start, int len, int bsize); + sector_t start, int len, int bsize); extern journal_t * jbd2_journal_init_inode (struct inode *); extern int jbd2_journal_update_format (journal_t *); extern int jbd2_journal_check_used_features @@ -944,7 +944,7 @@ extern void jbd2_journal_abort (journal_t *, int); extern int jbd2_journal_errno (journal_t *); extern void jbd2_journal_ack_err (journal_t *); extern int jbd2_journal_clear_err (journal_t *); -extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long *); +extern int jbd2_journal_bmap(journal_t *, unsigned long, sector_t *); extern int jbd2_journal_force_commit(journal_t *); /* @@ -977,14 +977,13 @@ extern void jbd2_journal_destroy_revoke_caches(void); extern int jbd2_journal_init_revoke_caches(void); extern void jbd2_journal_destroy_revoke(journal_t *); -extern int jbd2_journal_revoke (handle_t *, - unsigned long, struct buffer_head *); +extern int jbd2_journal_revoke (handle_t *, sector_t, struct buffer_head *); extern int jbd2_journal_cancel_revoke(handle_t *, struct journal_head *); extern void jbd2_journal_write_revoke_records(journal_t *, transaction_t *); /* Recovery revoke support */ -extern int jbd2_journal_set_revoke(journal_t *, unsigned long, tid_t); -extern int jbd2_journal_test_revoke(journal_t *, unsigned long, tid_t); +extern int jbd2_journal_set_revoke(journal_t *, sector_t, tid_t); +extern int jbd2_journal_test_revoke(journal_t *, sector_t, tid_t); extern void jbd2_journal_clear_revoke(journal_t *); extern void jbd2_journal_switch_revoke_table(journal_t *journal); -- 2.41.1