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-rw-r--r--fs/f2fs/data.c35
-rw-r--r--fs/f2fs/gc.c111
-rw-r--r--fs/f2fs/segment.c10
3 files changed, 134 insertions, 22 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e73ce11de02d..382c1ef9a9e4 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -875,6 +875,7 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct f2fs_summary sum;
struct node_info ni;
+ block_t old_blkaddr;
pgoff_t fofs;
blkcnt_t count = 1;
int err;
@@ -896,9 +897,12 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
alloc:
set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
-
- f2fs_allocate_data_block(sbi, NULL, dn->data_blkaddr, &dn->data_blkaddr,
+ old_blkaddr = dn->data_blkaddr;
+ f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr,
&sum, seg_type, NULL, false);
+ if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
+ invalidate_mapping_pages(META_MAPPING(sbi),
+ old_blkaddr, old_blkaddr);
f2fs_set_data_blkaddr(dn);
/* update i_size */
@@ -1614,6 +1618,7 @@ static int f2fs_read_data_pages(struct file *file,
static int encrypt_one_page(struct f2fs_io_info *fio)
{
struct inode *inode = fio->page->mapping->host;
+ struct page *mpage;
gfp_t gfp_flags = GFP_NOFS;
if (!f2fs_encrypted_file(inode))
@@ -1625,17 +1630,25 @@ static int encrypt_one_page(struct f2fs_io_info *fio)
retry_encrypt:
fio->encrypted_page = fscrypt_encrypt_page(inode, fio->page,
PAGE_SIZE, 0, fio->page->index, gfp_flags);
- if (!IS_ERR(fio->encrypted_page))
- return 0;
+ if (IS_ERR(fio->encrypted_page)) {
+ /* flush pending IOs and wait for a while in the ENOMEM case */
+ if (PTR_ERR(fio->encrypted_page) == -ENOMEM) {
+ f2fs_flush_merged_writes(fio->sbi);
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ gfp_flags |= __GFP_NOFAIL;
+ goto retry_encrypt;
+ }
+ return PTR_ERR(fio->encrypted_page);
+ }
- /* flush pending IOs and wait for a while in the ENOMEM case */
- if (PTR_ERR(fio->encrypted_page) == -ENOMEM) {
- f2fs_flush_merged_writes(fio->sbi);
- congestion_wait(BLK_RW_ASYNC, HZ/50);
- gfp_flags |= __GFP_NOFAIL;
- goto retry_encrypt;
+ mpage = find_lock_page(META_MAPPING(fio->sbi), fio->old_blkaddr);
+ if (mpage) {
+ if (PageUptodate(mpage))
+ memcpy(page_address(mpage),
+ page_address(fio->encrypted_page), PAGE_SIZE);
+ f2fs_put_page(mpage, 1);
}
- return PTR_ERR(fio->encrypted_page);
+ return 0;
}
static inline bool check_inplace_update_policy(struct inode *inode,
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index c598ae5ecbfa..5c8d00422237 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -599,6 +599,72 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
return true;
}
+static int ra_data_block(struct inode *inode, pgoff_t index)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct address_space *mapping = inode->i_mapping;
+ struct dnode_of_data dn;
+ struct page *page;
+ struct extent_info ei = {0, 0, 0};
+ struct f2fs_io_info fio = {
+ .sbi = sbi,
+ .ino = inode->i_ino,
+ .type = DATA,
+ .temp = COLD,
+ .op = REQ_OP_READ,
+ .op_flags = 0,
+ .encrypted_page = NULL,
+ .in_list = false,
+ .retry = false,
+ };
+ int err;
+
+ page = f2fs_grab_cache_page(mapping, index, true);
+ if (!page)
+ return -ENOMEM;
+
+ if (f2fs_lookup_extent_cache(inode, index, &ei)) {
+ dn.data_blkaddr = ei.blk + index - ei.fofs;
+ goto got_it;
+ }
+
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
+ if (err)
+ goto put_page;
+ f2fs_put_dnode(&dn);
+
+ if (unlikely(!f2fs_is_valid_blkaddr(sbi, dn.data_blkaddr,
+ DATA_GENERIC))) {
+ err = -EFAULT;
+ goto put_page;
+ }
+got_it:
+ /* read page */
+ fio.page = page;
+ fio.new_blkaddr = fio.old_blkaddr = dn.data_blkaddr;
+
+ fio.encrypted_page = f2fs_pagecache_get_page(META_MAPPING(sbi),
+ dn.data_blkaddr,
+ FGP_LOCK | FGP_CREAT, GFP_NOFS);
+ if (!fio.encrypted_page) {
+ err = -ENOMEM;
+ goto put_page;
+ }
+
+ err = f2fs_submit_page_bio(&fio);
+ if (err)
+ goto put_encrypted_page;
+ f2fs_put_page(fio.encrypted_page, 0);
+ f2fs_put_page(page, 1);
+ return 0;
+put_encrypted_page:
+ f2fs_put_page(fio.encrypted_page, 1);
+put_page:
+ f2fs_put_page(page, 1);
+ return err;
+}
+
/*
* Move data block via META_MAPPING while keeping locked data page.
* This can be used to move blocks, aka LBAs, directly on disk.
@@ -620,7 +686,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
struct dnode_of_data dn;
struct f2fs_summary sum;
struct node_info ni;
- struct page *page;
+ struct page *page, *mpage;
block_t newaddr;
int err;
bool lfs_mode = test_opt(fio.sbi, LFS);
@@ -683,6 +749,23 @@ static void move_data_block(struct inode *inode, block_t bidx,
goto recover_block;
}
+ mpage = f2fs_pagecache_get_page(META_MAPPING(fio.sbi),
+ fio.old_blkaddr, FGP_LOCK, GFP_NOFS);
+ if (mpage) {
+ bool updated = false;
+
+ if (PageUptodate(mpage)) {
+ memcpy(page_address(fio.encrypted_page),
+ page_address(mpage), PAGE_SIZE);
+ updated = true;
+ }
+ f2fs_put_page(mpage, 1);
+ invalidate_mapping_pages(META_MAPPING(fio.sbi),
+ fio.old_blkaddr, fio.old_blkaddr);
+ if (updated)
+ goto write_page;
+ }
+
err = f2fs_submit_page_bio(&fio);
if (err)
goto put_page_out;
@@ -699,6 +782,7 @@ static void move_data_block(struct inode *inode, block_t bidx,
goto put_page_out;
}
+write_page:
set_page_dirty(fio.encrypted_page);
f2fs_wait_on_page_writeback(fio.encrypted_page, DATA, true);
if (clear_page_dirty_for_io(fio.encrypted_page))
@@ -873,12 +957,6 @@ next_step:
if (IS_ERR(inode) || is_bad_inode(inode))
continue;
- /* if inode uses special I/O path, let's go phase 3 */
- if (f2fs_post_read_required(inode)) {
- add_gc_inode(gc_list, inode);
- continue;
- }
-
if (!down_write_trylock(
&F2FS_I(inode)->i_gc_rwsem[WRITE])) {
iput(inode);
@@ -886,10 +964,23 @@ next_step:
continue;
}
- start_bidx = f2fs_start_bidx_of_node(nofs, inode);
+ start_bidx = f2fs_start_bidx_of_node(nofs, inode) +
+ ofs_in_node;
+
+ if (f2fs_post_read_required(inode)) {
+ int err = ra_data_block(inode, start_bidx);
+
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ if (err) {
+ iput(inode);
+ continue;
+ }
+ add_gc_inode(gc_list, inode);
+ continue;
+ }
+
data_page = f2fs_get_read_data_page(inode,
- start_bidx + ofs_in_node, REQ_RAHEAD,
- true);
+ start_bidx, REQ_RAHEAD, true);
up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
if (IS_ERR(data_page)) {
iput(inode);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 7dcfe38e70cc..30779aaa9dba 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2079,6 +2079,8 @@ void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
if (addr == NEW_ADDR)
return;
+ invalidate_mapping_pages(META_MAPPING(sbi), addr, addr);
+
/* add it into sit main buffer */
down_write(&sit_i->sentry_lock);
@@ -2978,6 +2980,9 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
reallocate:
f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio, true);
+ if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
+ invalidate_mapping_pages(META_MAPPING(fio->sbi),
+ fio->old_blkaddr, fio->old_blkaddr);
/* writeout dirty page into bdev */
f2fs_submit_page_write(fio);
@@ -3132,8 +3137,11 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (!recover_curseg || recover_newaddr)
update_sit_entry(sbi, new_blkaddr, 1);
- if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
+ if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
+ invalidate_mapping_pages(META_MAPPING(sbi),
+ old_blkaddr, old_blkaddr);
update_sit_entry(sbi, old_blkaddr, -1);
+ }
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
locate_dirty_segment(sbi, GET_SEGNO(sbi, new_blkaddr));
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-17 04:20:35 +0000