#include "f2fs.h"
#include "node.h"
#include "segment.h"
+#include "trace.h"
#include <trace/events/f2fs.h>
static void f2fs_read_end_io(struct bio *bio, int err)
return;
if (is_read_io(fio->rw))
- trace_f2fs_submit_read_bio(io->sbi->sb, fio->rw,
- fio->type, io->bio);
+ trace_f2fs_submit_read_bio(io->sbi->sb, fio, io->bio);
else
- trace_f2fs_submit_write_bio(io->sbi->sb, fio->rw,
- fio->type, io->bio);
+ trace_f2fs_submit_write_bio(io->sbi->sb, fio, io->bio);
submit_bio(fio->rw, io->bio);
io->bio = NULL;
* Return unlocked page.
*/
int f2fs_submit_page_bio(struct f2fs_sb_info *sbi, struct page *page,
- block_t blk_addr, int rw)
+ struct f2fs_io_info *fio)
{
struct bio *bio;
- trace_f2fs_submit_page_bio(page, blk_addr, rw);
+ trace_f2fs_submit_page_bio(page, fio);
+ f2fs_trace_ios(page, fio, 0);
/* Allocate a new bio */
- bio = __bio_alloc(sbi, blk_addr, 1, is_read_io(rw));
+ bio = __bio_alloc(sbi, fio->blk_addr, 1, is_read_io(fio->rw));
if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) {
bio_put(bio);
return -EFAULT;
}
- submit_bio(rw, bio);
+ submit_bio(fio->rw, bio);
return 0;
}
void f2fs_submit_page_mbio(struct f2fs_sb_info *sbi, struct page *page,
- block_t blk_addr, struct f2fs_io_info *fio)
+ struct f2fs_io_info *fio)
{
enum page_type btype = PAGE_TYPE_OF_BIO(fio->type);
struct f2fs_bio_info *io;
io = is_read ? &sbi->read_io : &sbi->write_io[btype];
- verify_block_addr(sbi, blk_addr);
+ verify_block_addr(sbi, fio->blk_addr);
down_write(&io->io_rwsem);
if (!is_read)
inc_page_count(sbi, F2FS_WRITEBACK);
- if (io->bio && (io->last_block_in_bio != blk_addr - 1 ||
+ if (io->bio && (io->last_block_in_bio != fio->blk_addr - 1 ||
io->fio.rw != fio->rw))
__submit_merged_bio(io);
alloc_new:
if (io->bio == NULL) {
int bio_blocks = MAX_BIO_BLOCKS(sbi);
- io->bio = __bio_alloc(sbi, blk_addr, bio_blocks, is_read);
+ io->bio = __bio_alloc(sbi, fio->blk_addr, bio_blocks, is_read);
io->fio = *fio;
}
goto alloc_new;
}
- io->last_block_in_bio = blk_addr;
+ io->last_block_in_bio = fio->blk_addr;
+ f2fs_trace_ios(page, fio, 0);
up_write(&io->io_rwsem);
- trace_f2fs_submit_page_mbio(page, fio->rw, fio->type, blk_addr);
+ trace_f2fs_submit_page_mbio(page, fio);
}
/*
* ->node_page
* update block addresses in the node page
*/
-static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr)
+static void __set_data_blkaddr(struct dnode_of_data *dn)
{
struct f2fs_node *rn;
__le32 *addr_array;
/* Get physical address of data block */
addr_array = blkaddr_in_node(rn);
- addr_array[ofs_in_node] = cpu_to_le32(new_addr);
+ addr_array[ofs_in_node] = cpu_to_le32(dn->data_blkaddr);
set_page_dirty(node_page);
}
trace_f2fs_reserve_new_block(dn->inode, dn->nid, dn->ofs_in_node);
- __set_data_blkaddr(dn, NEW_ADDR);
dn->data_blkaddr = NEW_ADDR;
+ __set_data_blkaddr(dn);
mark_inode_dirty(dn->inode);
sync_inode_page(dn);
return 0;
return 0;
}
-void update_extent_cache(block_t blk_addr, struct dnode_of_data *dn)
+void update_extent_cache(struct dnode_of_data *dn)
{
struct f2fs_inode_info *fi = F2FS_I(dn->inode);
pgoff_t fofs, start_fofs, end_fofs;
block_t start_blkaddr, end_blkaddr;
int need_update = true;
- f2fs_bug_on(F2FS_I_SB(dn->inode), blk_addr == NEW_ADDR);
- fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
- dn->ofs_in_node;
+ f2fs_bug_on(F2FS_I_SB(dn->inode), dn->data_blkaddr == NEW_ADDR);
/* Update the page address in the parent node */
- __set_data_blkaddr(dn, blk_addr);
+ __set_data_blkaddr(dn);
if (is_inode_flag_set(fi, FI_NO_EXTENT))
return;
+ fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
+ dn->ofs_in_node;
+
write_lock(&fi->ext.ext_lock);
start_fofs = fi->ext.fofs;
/* Initial extent */
if (fi->ext.len == 0) {
- if (blk_addr != NULL_ADDR) {
+ if (dn->data_blkaddr != NULL_ADDR) {
fi->ext.fofs = fofs;
- fi->ext.blk_addr = blk_addr;
+ fi->ext.blk_addr = dn->data_blkaddr;
fi->ext.len = 1;
}
goto end_update;
}
/* Front merge */
- if (fofs == start_fofs - 1 && blk_addr == start_blkaddr - 1) {
+ if (fofs == start_fofs - 1 && dn->data_blkaddr == start_blkaddr - 1) {
fi->ext.fofs--;
fi->ext.blk_addr--;
fi->ext.len++;
}
/* Back merge */
- if (fofs == end_fofs + 1 && blk_addr == end_blkaddr + 1) {
+ if (fofs == end_fofs + 1 && dn->data_blkaddr == end_blkaddr + 1) {
fi->ext.len++;
goto end_update;
}
struct dnode_of_data dn;
struct page *page;
int err;
+ struct f2fs_io_info fio = {
+ .type = DATA,
+ .rw = sync ? READ_SYNC : READA,
+ };
page = find_get_page(mapping, index);
if (page && PageUptodate(page))
return page;
}
- err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, dn.data_blkaddr,
- sync ? READ_SYNC : READA);
+ fio.blk_addr = dn.data_blkaddr;
+ err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio);
if (err)
return ERR_PTR(err);
struct dnode_of_data dn;
struct page *page;
int err;
-
+ struct f2fs_io_info fio = {
+ .type = DATA,
+ .rw = READ_SYNC,
+ };
repeat:
page = grab_cache_page(mapping, index);
if (!page)
return page;
}
- err = f2fs_submit_page_bio(F2FS_I_SB(inode), page,
- dn.data_blkaddr, READ_SYNC);
+ fio.blk_addr = dn.data_blkaddr;
+ err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio);
if (err)
return ERR_PTR(err);
zero_user_segment(page, 0, PAGE_CACHE_SIZE);
SetPageUptodate(page);
} else {
- err = f2fs_submit_page_bio(F2FS_I_SB(inode), page,
- dn.data_blkaddr, READ_SYNC);
+ struct f2fs_io_info fio = {
+ .type = DATA,
+ .rw = READ_SYNC,
+ .blk_addr = dn.data_blkaddr,
+ };
+ err = f2fs_submit_page_bio(F2FS_I_SB(inode), page, &fio);
if (err)
goto put_err;
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct f2fs_inode_info *fi = F2FS_I(dn->inode);
struct f2fs_summary sum;
- block_t new_blkaddr;
struct node_info ni;
+ int seg = CURSEG_WARM_DATA;
pgoff_t fofs;
- int type;
if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
return -EPERM;
if (unlikely(!inc_valid_block_count(sbi, dn->inode, 1)))
return -ENOSPC;
- __set_data_blkaddr(dn, NEW_ADDR);
- dn->data_blkaddr = NEW_ADDR;
-
get_node_info(sbi, dn->nid, &ni);
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
- type = CURSEG_WARM_DATA;
+ if (dn->ofs_in_node == 0 && dn->inode_page == dn->node_page)
+ seg = CURSEG_DIRECT_IO;
- allocate_data_block(sbi, NULL, NULL_ADDR, &new_blkaddr, &sum, type);
+ allocate_data_block(sbi, NULL, NULL_ADDR, &dn->data_blkaddr, &sum, seg);
/* direct IO doesn't use extent cache to maximize the performance */
- set_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
- update_extent_cache(new_blkaddr, dn);
- clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
+ __set_data_blkaddr(dn);
/* update i_size */
fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT))
i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT));
- dn->data_blkaddr = new_blkaddr;
return 0;
}
int do_write_data_page(struct page *page, struct f2fs_io_info *fio)
{
struct inode *inode = page->mapping->host;
- block_t old_blkaddr, new_blkaddr;
struct dnode_of_data dn;
int err = 0;
if (err)
return err;
- old_blkaddr = dn.data_blkaddr;
+ fio->blk_addr = dn.data_blkaddr;
/* This page is already truncated */
- if (old_blkaddr == NULL_ADDR)
+ if (fio->blk_addr == NULL_ADDR)
goto out_writepage;
set_page_writeback(page);
* If current allocation needs SSR,
* it had better in-place writes for updated data.
*/
- if (unlikely(old_blkaddr != NEW_ADDR &&
+ if (unlikely(fio->blk_addr != NEW_ADDR &&
!is_cold_data(page) &&
need_inplace_update(inode))) {
- rewrite_data_page(page, old_blkaddr, fio);
+ rewrite_data_page(page, fio);
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
} else {
- write_data_page(page, &dn, &new_blkaddr, fio);
- update_extent_cache(new_blkaddr, &dn);
+ write_data_page(page, &dn, fio);
+ update_extent_cache(&dn);
set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
}
out_writepage:
zero_user_segment(page, offset, PAGE_CACHE_SIZE);
write:
- if (unlikely(sbi->por_doing))
+ if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
+ goto redirty_out;
+ if (f2fs_is_drop_cache(inode))
+ goto out;
+ if (f2fs_is_volatile_file(inode) && !wbc->for_reclaim &&
+ available_free_memory(sbi, BASE_CHECK))
goto redirty_out;
/* Dentry blocks are controlled by checkpoint */
/* we should bypass data pages to proceed the kworkder jobs */
if (unlikely(f2fs_cp_error(sbi))) {
SetPageError(page);
- unlock_page(page);
goto out;
}
if (dn.data_blkaddr == NEW_ADDR) {
zero_user_segment(page, 0, PAGE_CACHE_SIZE);
} else {
- err = f2fs_submit_page_bio(sbi, page, dn.data_blkaddr,
- READ_SYNC);
+ struct f2fs_io_info fio = {
+ .type = DATA,
+ .rw = READ_SYNC,
+ .blk_addr = dn.data_blkaddr,
+ };
+ err = f2fs_submit_page_bio(sbi, page, &fio);
if (err)
goto fail;
if (offset % PAGE_CACHE_SIZE || length != PAGE_CACHE_SIZE)
return;
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode))
- invalidate_inmem_page(inode, page);
-
if (PageDirty(page))
inode_dec_dirty_pages(inode);
ClearPagePrivate(page);
SetPageUptodate(page);
- if (f2fs_is_atomic_file(inode) || f2fs_is_volatile_file(inode)) {
+ if (f2fs_is_atomic_file(inode)) {
register_inmem_page(inode, page);
return 1;
}