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fs: have submit_bh users pass in op and flags separately 

This has submit_bh users pass in the operation and flags separately,
so submit_bh_wbc can setup the bio op and bi_rw flags on the bio that
is submitted.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Mike Christie 2016-06-05 14:31:43 -05:00 committed by Jens Axboe
parent f21508211d
commit 2a222ca992
30 changed files with 102 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/md/bitmap.c
View File

@ -297,7 +297,7 @@ static void write_page(struct bitmap *bitmap, struct page *page, int wait)
atomic_inc(&bitmap->pending_writes);
set_buffer_locked(bh);
set_buffer_mapped(bh);
submit_bh(WRITE | REQ_SYNC, bh);
submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
bh = bh->b_this_page;
}
@ -392,7 +392,7 @@ static int read_page(struct file *file, unsigned long index,
atomic_inc(&bitmap->pending_writes);
set_buffer_locked(bh);
set_buffer_mapped(bh);
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
}
block++;
bh = bh->b_this_page;

24
fs/btrfs/check-integrity.c
View File

@ -2856,12 +2856,12 @@ static struct btrfsic_dev_state *btrfsic_dev_state_lookup(
return ds;
}
int btrfsic_submit_bh(int rw, struct buffer_head *bh)
int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh)
{
struct btrfsic_dev_state *dev_state;
if (!btrfsic_is_initialized)
return submit_bh(rw, bh);
return submit_bh(op, op_flags, bh);
mutex_lock(&btrfsic_mutex);
/* since btrfsic_submit_bh() might also be called before
@ -2870,26 +2870,26 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh)
/* Only called to write the superblock (incl. FLUSH/FUA) */
if (NULL != dev_state &&
(rw & WRITE) && bh->b_size > 0) {
(op == REQ_OP_WRITE) && bh->b_size > 0) {
u64 dev_bytenr;
dev_bytenr = 4096 * bh->b_blocknr;
if (dev_state->state->print_mask &
BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH)
printk(KERN_INFO
"submit_bh(rw=0x%x, blocknr=%llu (bytenr %llu),"
" size=%zu, data=%p, bdev=%p)\n",
rw, (unsigned long long)bh->b_blocknr,
"submit_bh(op=0x%x,0x%x, blocknr=%llu "
"(bytenr %llu), size=%zu, data=%p, bdev=%p)\n",
op, op_flags, (unsigned long long)bh->b_blocknr,
dev_bytenr, bh->b_size, bh->b_data, bh->b_bdev);
btrfsic_process_written_block(dev_state, dev_bytenr,
&bh->b_data, 1, NULL,
NULL, bh, rw);
} else if (NULL != dev_state && (rw & REQ_FLUSH)) {
NULL, bh, op_flags);
} else if (NULL != dev_state && (op_flags & REQ_FLUSH)) {
if (dev_state->state->print_mask &
BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH)
printk(KERN_INFO
"submit_bh(rw=0x%x FLUSH, bdev=%p)\n",
rw, bh->b_bdev);
"submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n",
op, op_flags, bh->b_bdev);
if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) {
if ((dev_state->state->print_mask &
(BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH |
@ -2907,7 +2907,7 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh)
block->never_written = 0;
block->iodone_w_error = 0;
block->flush_gen = dev_state->last_flush_gen + 1;
block->submit_bio_bh_rw = rw;
block->submit_bio_bh_rw = op_flags;
block->orig_bio_bh_private = bh->b_private;
block->orig_bio_bh_end_io.bh = bh->b_end_io;
block->next_in_same_bio = NULL;
@ -2916,7 +2916,7 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh)
}
}
mutex_unlock(&btrfsic_mutex);
return submit_bh(rw, bh);
return submit_bh(op, op_flags, bh);
}
static void __btrfsic_submit_bio(struct bio *bio)

2
fs/btrfs/check-integrity.h
View File

@ -20,7 +20,7 @@
#define __BTRFS_CHECK_INTEGRITY__
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
int btrfsic_submit_bh(int rw, struct buffer_head *bh);
int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh);
void btrfsic_submit_bio(struct bio *bio);
int btrfsic_submit_bio_wait(struct bio *bio);
#else

4
fs/btrfs/disk-io.c
View File

@ -3420,9 +3420,9 @@ static int write_dev_supers(struct btrfs_device *device,
* to go down lazy.
*/
if (i == 0)
ret = btrfsic_submit_bh(WRITE_FUA, bh);
ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_FUA, bh);
else
ret = btrfsic_submit_bh(WRITE_SYNC, bh);
ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
if (ret)
errors++;
}

53
fs/buffer.c
View File

@ -45,7 +45,7 @@
#include <trace/events/block.h>
static int fsync_buffers_list(spinlock_t *lock, struct list_head *list);
static int submit_bh_wbc(int rw, struct buffer_head *bh,
static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
unsigned long bio_flags,
struct writeback_control *wbc);
@ -1225,7 +1225,7 @@ static struct buffer_head *__bread_slow(struct buffer_head *bh)
} else {
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh))
return bh;
@ -1697,7 +1697,7 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
struct buffer_head *bh, *head;
unsigned int blocksize, bbits;
int nr_underway = 0;
int write_op = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
int write_flags = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0);
head = create_page_buffers(page, inode,
(1 << BH_Dirty)|(1 << BH_Uptodate));
@ -1786,7 +1786,7 @@ static int __block_write_full_page(struct inode *inode, struct page *page,
do {
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
submit_bh_wbc(write_op, bh, 0, wbc);
submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, 0, wbc);
nr_underway++;
}
bh = next;
@ -1840,7 +1840,7 @@ recover:
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
clear_buffer_dirty(bh);
submit_bh_wbc(write_op, bh, 0, wbc);
submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, 0, wbc);
nr_underway++;
}
bh = next;
@ -2248,7 +2248,7 @@ int block_read_full_page(struct page *page, get_block_t *get_block)
if (buffer_uptodate(bh))
end_buffer_async_read(bh, 1);
else
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
}
return 0;
}
@ -2582,7 +2582,7 @@ int nobh_write_begin(struct address_space *mapping,
if (block_start < from || block_end > to) {
lock_buffer(bh);
bh->b_end_io = end_buffer_read_nobh;
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
nr_reads++;
}
}
@ -2949,7 +2949,7 @@ static void end_bio_bh_io_sync(struct bio *bio)
* errors, this only handles the "we need to be able to
* do IO at the final sector" case.
*/
void guard_bio_eod(int rw, struct bio *bio)
void guard_bio_eod(int op, struct bio *bio)
{
sector_t maxsector;
struct bio_vec *bvec = &bio->bi_io_vec[bio->bi_vcnt - 1];
@ -2979,13 +2979,13 @@ void guard_bio_eod(int rw, struct bio *bio)
bvec->bv_len -= truncated_bytes;
/* ..and clear the end of the buffer for reads */
if ((rw & RW_MASK) == READ) {
if (op == REQ_OP_READ) {
zero_user(bvec->bv_page, bvec->bv_offset + bvec->bv_len,
truncated_bytes);
}
}
static int submit_bh_wbc(int rw, struct buffer_head *bh,
static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
unsigned long bio_flags, struct writeback_control *wbc)
{
struct bio *bio;
@ -2999,7 +2999,7 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh,
/*
* Only clear out a write error when rewriting
*/
if (test_set_buffer_req(bh) && (rw & WRITE))
if (test_set_buffer_req(bh) && (op == REQ_OP_WRITE))
clear_buffer_write_io_error(bh);
/*
@ -3024,27 +3024,28 @@ static int submit_bh_wbc(int rw, struct buffer_head *bh,
bio->bi_flags |= bio_flags;
/* Take care of bh's that straddle the end of the device */
guard_bio_eod(rw, bio);
guard_bio_eod(op, bio);
if (buffer_meta(bh))
rw |= REQ_META;
op_flags |= REQ_META;
if (buffer_prio(bh))
rw |= REQ_PRIO;
bio->bi_rw = rw;
op_flags |= REQ_PRIO;
bio_set_op_attrs(bio, op, op_flags);
submit_bio(bio);
return 0;
}
int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags)
int _submit_bh(int op, int op_flags, struct buffer_head *bh,
unsigned long bio_flags)
{
return submit_bh_wbc(rw, bh, bio_flags, NULL);
return submit_bh_wbc(op, op_flags, bh, bio_flags, NULL);
}
EXPORT_SYMBOL_GPL(_submit_bh);
int submit_bh(int rw, struct buffer_head *bh)
int submit_bh(int op, int op_flags, struct buffer_head *bh)
{
return submit_bh_wbc(rw, bh, 0, NULL);
return submit_bh_wbc(op, op_flags, bh, 0, NULL);
}
EXPORT_SYMBOL(submit_bh);
@ -3086,14 +3087,14 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[])
if (test_clear_buffer_dirty(bh)) {
bh->b_end_io = end_buffer_write_sync;
get_bh(bh);
submit_bh(WRITE, bh);
submit_bh(rw, 0, bh);
continue;
}
} else {
if (!buffer_uptodate(bh)) {
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
submit_bh(rw, bh);
submit_bh(rw, 0, bh);
continue;
}
}
@ -3102,7 +3103,7 @@ void ll_rw_block(int rw, int nr, struct buffer_head *bhs[])
}
EXPORT_SYMBOL(ll_rw_block);
void write_dirty_buffer(struct buffer_head *bh, int rw)
void write_dirty_buffer(struct buffer_head *bh, int op_flags)
{
lock_buffer(bh);
if (!test_clear_buffer_dirty(bh)) {
@ -3111,7 +3112,7 @@ void write_dirty_buffer(struct buffer_head *bh, int rw)
}
bh->b_end_io = end_buffer_write_sync;
get_bh(bh);
submit_bh(rw, bh);
submit_bh(REQ_OP_WRITE, op_flags, bh);
}
EXPORT_SYMBOL(write_dirty_buffer);
@ -3120,7 +3121,7 @@ EXPORT_SYMBOL(write_dirty_buffer);
* and then start new I/O and then wait upon it. The caller must have a ref on
* the buffer_head.
*/
int __sync_dirty_buffer(struct buffer_head *bh, int rw)
int __sync_dirty_buffer(struct buffer_head *bh, int op_flags)
{
int ret = 0;
@ -3129,7 +3130,7 @@ int __sync_dirty_buffer(struct buffer_head *bh, int rw)
if (test_clear_buffer_dirty(bh)) {
get_bh(bh);
bh->b_end_io = end_buffer_write_sync;
ret = submit_bh(rw, bh);
ret = submit_bh(REQ_OP_WRITE, op_flags, bh);
wait_on_buffer(bh);
if (!ret && !buffer_uptodate(bh))
ret = -EIO;
@ -3392,7 +3393,7 @@ int bh_submit_read(struct buffer_head *bh)
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh))
return 0;

2
fs/ext4/balloc.c
View File

@ -470,7 +470,7 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t block_group)
trace_ext4_read_block_bitmap_load(sb, block_group);
bh->b_end_io = ext4_end_bitmap_read;
get_bh(bh);
submit_bh(READ | REQ_META | REQ_PRIO, bh);
submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh);
return bh;
verify:
err = ext4_validate_block_bitmap(sb, desc, block_group, bh);

2
fs/ext4/ialloc.c
View File

@ -214,7 +214,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
trace_ext4_load_inode_bitmap(sb, block_group);
bh->b_end_io = ext4_end_bitmap_read;
get_bh(bh);
submit_bh(READ | REQ_META | REQ_PRIO, bh);
submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
put_bh(bh);

2
fs/ext4/inode.c
View File

@ -4281,7 +4281,7 @@ make_io:
trace_ext4_load_inode(inode);
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(READ | REQ_META | REQ_PRIO, bh);
submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
EXT4_ERROR_INODE_BLOCK(inode, block,

4
fs/ext4/mmp.c
View File

@ -52,7 +52,7 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
lock_buffer(bh);
bh->b_end_io = end_buffer_write_sync;
get_bh(bh);
submit_bh(WRITE_SYNC | REQ_META | REQ_PRIO, bh);
submit_bh(REQ_OP_WRITE, WRITE_SYNC | REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
sb_end_write(sb);
if (unlikely(!buffer_uptodate(bh)))
@ -88,7 +88,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh,
get_bh(*bh);
lock_buffer(*bh);
(*bh)->b_end_io = end_buffer_read_sync;
submit_bh(READ_SYNC | REQ_META | REQ_PRIO, *bh);
submit_bh(REQ_OP_READ, READ_SYNC | REQ_META | REQ_PRIO, *bh);
wait_on_buffer(*bh);
if (!buffer_uptodate(*bh)) {
ret = -EIO;

2
fs/fat/misc.c
View File

@ -267,7 +267,7 @@ int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs)
int i, err = 0;
for (i = 0; i < nr_bhs; i++)
write_dirty_buffer(bhs[i], WRITE);
write_dirty_buffer(bhs[i], 0);
for (i = 0; i < nr_bhs; i++) {
wait_on_buffer(bhs[i]);

2
fs/gfs2/bmap.c
View File

@ -285,7 +285,7 @@ static void gfs2_metapath_ra(struct gfs2_glock *gl,
if (trylock_buffer(rabh)) {
if (!buffer_uptodate(rabh)) {
rabh->b_end_io = end_buffer_read_sync;
submit_bh(READA | REQ_META, rabh);
submit_bh(REQ_OP_READ, READA | REQ_META, rabh);
continue;
}
unlock_buffer(rabh);

2
fs/gfs2/dir.c
View File

@ -1513,7 +1513,7 @@ static void gfs2_dir_readahead(struct inode *inode, unsigned hsize, u32 index,
continue;
}
bh->b_end_io = end_buffer_read_sync;
submit_bh(READA | REQ_META, bh);
submit_bh(REQ_OP_READ, READA | REQ_META, bh);
continue;
}
brelse(bh);

6
fs/gfs2/meta_io.c
View File

@ -37,8 +37,8 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
{
struct buffer_head *bh, *head;
int nr_underway = 0;
int write_op = REQ_META | REQ_PRIO |
(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
int write_flags = REQ_META | REQ_PRIO |
(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0);
BUG_ON(!PageLocked(page));
BUG_ON(!page_has_buffers(page));
@ -79,7 +79,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
do {
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
submit_bh(write_op, bh);
submit_bh(REQ_OP_WRITE, write_flags, bh);
nr_underway++;
}
bh = next;

6
fs/jbd2/commit.c
View File

@ -155,9 +155,9 @@ static int journal_submit_commit_record(journal_t *journal,
if (journal->j_flags & JBD2_BARRIER &&
!jbd2_has_feature_async_commit(journal))
ret = submit_bh(WRITE_SYNC | WRITE_FLUSH_FUA, bh);
ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC | WRITE_FLUSH_FUA, bh);
else
ret = submit_bh(WRITE_SYNC, bh);
ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
*cbh = bh;
return ret;
@ -718,7 +718,7 @@ start_journal_io:
clear_buffer_dirty(bh);
set_buffer_uptodate(bh);
bh->b_end_io = journal_end_buffer_io_sync;
submit_bh(WRITE_SYNC, bh);
submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
}
cond_resched();
stats.run.rs_blocks_logged += bufs;

8
fs/jbd2/journal.c
View File

@ -1346,15 +1346,15 @@ static int journal_reset(journal_t *journal)
return jbd2_journal_start_thread(journal);
}
static int jbd2_write_superblock(journal_t *journal, int write_op)
static int jbd2_write_superblock(journal_t *journal, int write_flags)
{
struct buffer_head *bh = journal->j_sb_buffer;
journal_superblock_t *sb = journal->j_superblock;
int ret;
trace_jbd2_write_superblock(journal, write_op);
trace_jbd2_write_superblock(journal, write_flags);
if (!(journal->j_flags & JBD2_BARRIER))
write_op &= ~(REQ_FUA | REQ_FLUSH);
write_flags &= ~(REQ_FUA | REQ_FLUSH);
lock_buffer(bh);
if (buffer_write_io_error(bh)) {
/*
@ -1374,7 +1374,7 @@ static int jbd2_write_superblock(journal_t *journal, int write_op)
jbd2_superblock_csum_set(journal, sb);
get_bh(bh);
bh->b_end_io = end_buffer_write_sync;
ret = submit_bh(write_op, bh);
ret = submit_bh(REQ_OP_WRITE, write_flags, bh);
wait_on_buffer(bh);
if (buffer_write_io_error(bh)) {
clear_buffer_write_io_error(bh);

6
fs/nilfs2/btnode.c
View File

@ -62,7 +62,7 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr)
}
int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
sector_t pblocknr, int mode,
sector_t pblocknr, int mode, int mode_flags,
struct buffer_head **pbh, sector_t *submit_ptr)
{
struct buffer_head *bh;
@ -95,7 +95,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
}
}
if (mode == READA) {
if (mode_flags & REQ_RAHEAD) {
if (pblocknr != *submit_ptr + 1 || !trylock_buffer(bh)) {
err = -EBUSY; /* internal code */
brelse(bh);
@ -114,7 +114,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
bh->b_blocknr = pblocknr; /* set block address for read */
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
submit_bh(mode, bh);
submit_bh(mode, mode_flags, bh);
bh->b_blocknr = blocknr; /* set back to the given block address */
*submit_ptr = pblocknr;
err = 0;

2
fs/nilfs2/btnode.h
View File

@ -43,7 +43,7 @@ void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
__u64 blocknr);
int nilfs_btnode_submit_block(struct address_space *, __u64, sector_t, int,
struct buffer_head **, sector_t *);
int, struct buffer_head **, sector_t *);
void nilfs_btnode_delete(struct buffer_head *);
int nilfs_btnode_prepare_change_key(struct address_space *,
struct nilfs_btnode_chkey_ctxt *);

6
fs/nilfs2/btree.c
View File

@ -476,7 +476,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
sector_t submit_ptr = 0;
int ret;
ret = nilfs_btnode_submit_block(btnc, ptr, 0, READ, &bh, &submit_ptr);
ret = nilfs_btnode_submit_block(btnc, ptr, 0, REQ_OP_READ, 0, &bh,
&submit_ptr);
if (ret) {
if (ret != -EEXIST)
return ret;
@ -492,7 +493,8 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
n > 0 && i < ra->ncmax; n--, i++) {
ptr2 = nilfs_btree_node_get_ptr(ra->node, i, ra->ncmax);
ret = nilfs_btnode_submit_block(btnc, ptr2, 0, READA,
ret = nilfs_btnode_submit_block(btnc, ptr2, 0,
REQ_OP_READ, REQ_RAHEAD,
&ra_bh, &submit_ptr);
if (likely(!ret || ret == -EEXIST))
brelse(ra_bh);

5
fs/nilfs2/gcinode.c
View File

@ -101,7 +101,7 @@ int nilfs_gccache_submit_read_data(struct inode *inode, sector_t blkoff,
bh->b_blocknr = pbn;
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
if (vbn)
bh->b_blocknr = vbn;
out:
@ -138,7 +138,8 @@ int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn,
int ret;
ret = nilfs_btnode_submit_block(&NILFS_I(inode)->i_btnode_cache,
vbn ? : pbn, pbn, READ, out_bh, &pbn);
vbn ? : pbn, pbn, REQ_OP_READ, 0,
out_bh, &pbn);
if (ret == -EEXIST) /* internal code (cache hit) */
ret = 0;
return ret;

11
fs/nilfs2/mdt.c
View File

@ -121,7 +121,7 @@ static int nilfs_mdt_create_block(struct inode *inode, unsigned long block,
static int
nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
int mode, struct buffer_head **out_bh)
int mode, int mode_flags, struct buffer_head **out_bh)
{
struct buffer_head *bh;
__u64 blknum = 0;
@ -135,7 +135,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
if (buffer_uptodate(bh))
goto out;
if (mode == READA) {
if (mode_flags & REQ_RAHEAD) {
if (!trylock_buffer(bh)) {
ret = -EBUSY;
goto failed_bh;
@ -157,7 +157,7 @@ nilfs_mdt_submit_block(struct inode *inode, unsigned long blkoff,
bh->b_end_io = end_buffer_read_sync;
get_bh(bh);
submit_bh(mode, bh);
submit_bh(mode, mode_flags, bh);
ret = 0;
trace_nilfs2_mdt_submit_block(inode, inode->i_ino, blkoff, mode);
@ -181,7 +181,7 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block,
int i, nr_ra_blocks = NILFS_MDT_MAX_RA_BLOCKS;
int err;
err = nilfs_mdt_submit_block(inode, block, READ, &first_bh);
err = nilfs_mdt_submit_block(inode, block, REQ_OP_READ, 0, &first_bh);
if (err == -EEXIST) /* internal code */
goto out;
@ -191,7 +191,8 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block,
if (readahead) {
blkoff = block + 1;
for (i = 0; i < nr_ra_blocks; i++, blkoff++) {
err = nilfs_mdt_submit_block(inode, blkoff, READA, &bh);
err = nilfs_mdt_submit_block(inode, blkoff, REQ_OP_READ,
REQ_RAHEAD, &bh);
if (likely(!err || err == -EEXIST))
brelse(bh);
else if (err != -EBUSY)

6
fs/ntfs/aops.c
View File

@ -362,7 +362,7 @@ handle_zblock:
for (i = 0; i < nr; i++) {
tbh = arr[i];
if (likely(!buffer_uptodate(tbh)))
submit_bh(READ, tbh);
submit_bh(REQ_OP_READ, 0, tbh);
else
ntfs_end_buffer_async_read(tbh, 1);
}
@ -877,7 +877,7 @@ lock_retry_remap:
do {
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
need_end_writeback = false;
}
bh = next;
@ -1202,7 +1202,7 @@ lock_retry_remap:
BUG_ON(!buffer_mapped(tbh));
get_bh(tbh);
tbh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, tbh);
submit_bh(REQ_OP_WRITE, 0, tbh);
}
/* Synchronize the mft mirror now if not @sync. */
if (is_mft && !sync)

2
fs/ntfs/compress.c
View File

@ -670,7 +670,7 @@ lock_retry_remap:
}
get_bh(tbh);
tbh->b_end_io = end_buffer_read_sync;
submit_bh(READ, tbh);
submit_bh(REQ_OP_READ, 0, tbh);
}
/* Wait for io completion on all buffer heads. */

2
fs/ntfs/file.c
View File

@ -553,7 +553,7 @@ static inline int ntfs_submit_bh_for_read(struct buffer_head *bh)
lock_buffer(bh);
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
return submit_bh(READ, bh);
return submit_bh(REQ_OP_READ, 0, bh);
}
/**

2
fs/ntfs/logfile.c
View File

@ -821,7 +821,7 @@ map_vcn:
* completed ignore errors afterwards as we can assume
* that if one buffer worked all of them will work.
*/
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
if (should_wait) {
should_wait = false;
wait_on_buffer(bh);

4
fs/ntfs/mft.c
View File

@ -592,7 +592,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no,
clear_buffer_dirty(tbh);
get_bh(tbh);
tbh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, tbh);
submit_bh(REQ_OP_WRITE, 0, tbh);
}
/* Wait on i/o completion of buffers. */
for (i_bhs = 0; i_bhs < nr_bhs; i_bhs++) {
@ -785,7 +785,7 @@ int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync)
clear_buffer_dirty(tbh);
get_bh(tbh);
tbh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, tbh);
submit_bh(REQ_OP_WRITE, 0, tbh);
}
/* Synchronize the mft mirror now if not @sync. */
if (!sync && ni->mft_no < vol->mftmirr_size)

8
fs/ocfs2/buffer_head_io.c
View File

@ -79,7 +79,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
wait_on_buffer(bh);
@ -149,7 +149,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
clear_buffer_uptodate(bh);
get_bh(bh); /* for end_buffer_read_sync() */
bh->b_end_io = end_buffer_read_sync;
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
}
for (i = nr; i > 0; i--) {
@ -305,7 +305,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
if (validate)
set_buffer_needs_validate(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(READ, bh);
submit_bh(REQ_OP_READ, 0, bh);
continue;
}
}
@ -419,7 +419,7 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
wait_on_buffer(bh);

4
fs/reiserfs/inode.c
View File

@ -2668,7 +2668,7 @@ static int reiserfs_write_full_page(struct page *page,
do {
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
nr++;
}
put_bh(bh);
@ -2728,7 +2728,7 @@ fail:
struct buffer_head *next = bh->b_this_page;
if (buffer_async_write(bh)) {
clear_buffer_dirty(bh);
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
nr++;
}
put_bh(bh);

6
fs/reiserfs/journal.c
View File

@ -652,7 +652,7 @@ static void submit_logged_buffer(struct buffer_head *bh)
BUG();
if (!buffer_uptodate(bh))
BUG();
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
}
static void submit_ordered_buffer(struct buffer_head *bh)
@ -662,7 +662,7 @@ static void submit_ordered_buffer(struct buffer_head *bh)
clear_buffer_dirty(bh);
if (!buffer_uptodate(bh))
BUG();
submit_bh(WRITE, bh);
submit_bh(REQ_OP_WRITE, 0, bh);
}
#define CHUNK_SIZE 32
@ -2269,7 +2269,7 @@ abort_replay:
/* flush out the real blocks */
for (i = 0; i < get_desc_trans_len(desc); i++) {
set_buffer_dirty(real_blocks[i]);
write_dirty_buffer(real_blocks[i], WRITE);
write_dirty_buffer(real_blocks[i], 0);
}
for (i = 0; i < get_desc_trans_len(desc); i++) {
wait_on_buffer(real_blocks[i]);

2
fs/ufs/util.c
View File

@ -118,7 +118,7 @@ void ubh_sync_block(struct ufs_buffer_head *ubh)
unsigned i;
for (i = 0; i < ubh->count; i++)
write_dirty_buffer(ubh->bh[i], WRITE);
write_dirty_buffer(ubh->bh[i], 0);
for (i = 0; i < ubh->count; i++)
wait_on_buffer(ubh->bh[i]);

9
include/linux/buffer_head.h
View File

@ -189,10 +189,11 @@ void unlock_buffer(struct buffer_head *bh);
void __lock_buffer(struct buffer_head *bh);
void ll_rw_block(int, int, struct buffer_head * bh[]);
int sync_dirty_buffer(struct buffer_head *bh);
int __sync_dirty_buffer(struct buffer_head *bh, int rw);
void write_dirty_buffer(struct buffer_head *bh, int rw);
int _submit_bh(int rw, struct buffer_head *bh, unsigned long bio_flags);
int submit_bh(int, struct buffer_head *);
int __sync_dirty_buffer(struct buffer_head *bh, int op_flags);
void write_dirty_buffer(struct buffer_head *bh, int op_flags);
int _submit_bh(int op, int op_flags, struct buffer_head *bh,
unsigned long bio_flags);
int submit_bh(int, int, struct buffer_head *);
void write_boundary_block(struct block_device *bdev,
sector_t bblock, unsigned blocksize);
int bh_uptodate_or_lock(struct buffer_head *bh);