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Diffstat (limited to 'fs/f2fs/dir.c')
-rw-r--r--fs/f2fs/dir.c243
1 files changed, 121 insertions, 122 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 5a63ff0df03b..c36b3b22bfff 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -173,7 +173,7 @@ static unsigned long dir_block_index(unsigned int level,
}
static struct f2fs_dir_entry *find_in_block(struct inode *dir,
- struct page *dentry_page,
+ struct folio *dentry_folio,
const struct f2fs_filename *fname,
int *max_slots,
bool use_hash)
@@ -181,7 +181,7 @@ static struct f2fs_dir_entry *find_in_block(struct inode *dir,
struct f2fs_dentry_block *dentry_blk;
struct f2fs_dentry_ptr d;
- dentry_blk = (struct f2fs_dentry_block *)page_address(dentry_page);
+ dentry_blk = folio_address(dentry_folio);
make_dentry_ptr_block(dir, &d, dentry_blk);
return f2fs_find_target_dentry(&d, fname, max_slots, use_hash);
@@ -260,13 +260,12 @@ found:
static struct f2fs_dir_entry *find_in_level(struct inode *dir,
unsigned int level,
const struct f2fs_filename *fname,
- struct page **res_page,
+ struct folio **res_folio,
bool use_hash)
{
int s = GET_DENTRY_SLOTS(fname->disk_name.len);
unsigned int nbucket, nblock;
unsigned int bidx, end_block, bucket_no;
- struct page *dentry_page;
struct f2fs_dir_entry *de = NULL;
pgoff_t next_pgofs;
bool room = false;
@@ -284,31 +283,32 @@ start_find_bucket:
while (bidx < end_block) {
/* no need to allocate new dentry pages to all the indices */
- dentry_page = f2fs_find_data_page(dir, bidx, &next_pgofs);
- if (IS_ERR(dentry_page)) {
- if (PTR_ERR(dentry_page) == -ENOENT) {
+ struct folio *dentry_folio;
+ dentry_folio = f2fs_find_data_folio(dir, bidx, &next_pgofs);
+ if (IS_ERR(dentry_folio)) {
+ if (PTR_ERR(dentry_folio) == -ENOENT) {
room = true;
bidx = next_pgofs;
continue;
} else {
- *res_page = dentry_page;
+ *res_folio = dentry_folio;
break;
}
}
- de = find_in_block(dir, dentry_page, fname, &max_slots, use_hash);
+ de = find_in_block(dir, dentry_folio, fname, &max_slots, use_hash);
if (IS_ERR(de)) {
- *res_page = ERR_CAST(de);
+ *res_folio = ERR_CAST(de);
de = NULL;
break;
} else if (de) {
- *res_page = dentry_page;
+ *res_folio = dentry_folio;
break;
}
if (max_slots >= s)
room = true;
- f2fs_put_page(dentry_page, 0);
+ f2fs_folio_put(dentry_folio, false);
bidx++;
}
@@ -329,7 +329,7 @@ start_find_bucket:
struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
const struct f2fs_filename *fname,
- struct page **res_page)
+ struct folio **res_folio)
{
unsigned long npages = dir_blocks(dir);
struct f2fs_dir_entry *de = NULL;
@@ -337,13 +337,13 @@ struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
unsigned int level;
bool use_hash = true;
- *res_page = NULL;
+ *res_folio = NULL;
#if IS_ENABLED(CONFIG_UNICODE)
start_find_entry:
#endif
if (f2fs_has_inline_dentry(dir)) {
- de = f2fs_find_in_inline_dir(dir, fname, res_page, use_hash);
+ de = f2fs_find_in_inline_dir(dir, fname, res_folio, use_hash);
goto out;
}
@@ -359,14 +359,15 @@ start_find_entry:
}
for (level = 0; level < max_depth; level++) {
- de = find_in_level(dir, level, fname, res_page, use_hash);
- if (de || IS_ERR(*res_page))
+ de = find_in_level(dir, level, fname, res_folio, use_hash);
+ if (de || IS_ERR(*res_folio))
break;
}
out:
#if IS_ENABLED(CONFIG_UNICODE)
- if (IS_CASEFOLDED(dir) && !de && use_hash) {
+ if (!sb_no_casefold_compat_fallback(dir->i_sb) &&
+ IS_CASEFOLDED(dir) && !de && use_hash) {
use_hash = false;
goto start_find_entry;
}
@@ -384,7 +385,7 @@ out:
* Entry is guaranteed to be valid.
*/
struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
- const struct qstr *child, struct page **res_page)
+ const struct qstr *child, struct folio **res_folio)
{
struct f2fs_dir_entry *de = NULL;
struct f2fs_filename fname;
@@ -393,67 +394,67 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
err = f2fs_setup_filename(dir, child, 1, &fname);
if (err) {
if (err == -ENOENT)
- *res_page = NULL;
+ *res_folio = NULL;
else
- *res_page = ERR_PTR(err);
+ *res_folio = ERR_PTR(err);
return NULL;
}
- de = __f2fs_find_entry(dir, &fname, res_page);
+ de = __f2fs_find_entry(dir, &fname, res_folio);
f2fs_free_filename(&fname);
return de;
}
-struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)
+struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct folio **f)
{
- return f2fs_find_entry(dir, &dotdot_name, p);
+ return f2fs_find_entry(dir, &dotdot_name, f);
}
ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
- struct page **page)
+ struct folio **folio)
{
ino_t res = 0;
struct f2fs_dir_entry *de;
- de = f2fs_find_entry(dir, qstr, page);
+ de = f2fs_find_entry(dir, qstr, folio);
if (de) {
res = le32_to_cpu(de->ino);
- f2fs_put_page(*page, 0);
+ f2fs_folio_put(*folio, false);
}
return res;
}
void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
- struct page *page, struct inode *inode)
+ struct folio *folio, struct inode *inode)
{
enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;
- lock_page(page);
- f2fs_wait_on_page_writeback(page, type, true, true);
+ folio_lock(folio);
+ f2fs_folio_wait_writeback(folio, type, true, true);
de->ino = cpu_to_le32(inode->i_ino);
de->file_type = fs_umode_to_ftype(inode->i_mode);
- set_page_dirty(page);
+ folio_mark_dirty(folio);
inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));
f2fs_mark_inode_dirty_sync(dir, false);
- f2fs_put_page(page, 1);
+ f2fs_folio_put(folio, true);
}
static void init_dent_inode(struct inode *dir, struct inode *inode,
const struct f2fs_filename *fname,
- struct page *ipage)
+ struct folio *ifolio)
{
struct f2fs_inode *ri;
if (!fname) /* tmpfile case? */
return;
- f2fs_wait_on_page_writeback(ipage, NODE, true, true);
+ f2fs_folio_wait_writeback(ifolio, NODE, true, true);
- /* copy name info. to this inode page */
- ri = F2FS_INODE(ipage);
+ /* copy name info. to this inode folio */
+ ri = F2FS_INODE(&ifolio->page);
ri->i_namelen = cpu_to_le32(fname->disk_name.len);
memcpy(ri->i_name, fname->disk_name.name, fname->disk_name.len);
if (IS_ENCRYPTED(dir)) {
@@ -474,7 +475,7 @@ static void init_dent_inode(struct inode *dir, struct inode *inode,
file_lost_pino(inode);
}
}
- set_page_dirty(ipage);
+ folio_mark_dirty(ifolio);
}
void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
@@ -491,72 +492,73 @@ void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
}
static int make_empty_dir(struct inode *inode,
- struct inode *parent, struct page *page)
+ struct inode *parent, struct folio *folio)
{
- struct page *dentry_page;
+ struct folio *dentry_folio;
struct f2fs_dentry_block *dentry_blk;
struct f2fs_dentry_ptr d;
if (f2fs_has_inline_dentry(inode))
- return f2fs_make_empty_inline_dir(inode, parent, page);
+ return f2fs_make_empty_inline_dir(inode, parent, folio);
- dentry_page = f2fs_get_new_data_page(inode, page, 0, true);
- if (IS_ERR(dentry_page))
- return PTR_ERR(dentry_page);
+ dentry_folio = f2fs_get_new_data_folio(inode, folio, 0, true);
+ if (IS_ERR(dentry_folio))
+ return PTR_ERR(dentry_folio);
- dentry_blk = page_address(dentry_page);
+ dentry_blk = folio_address(dentry_folio);
make_dentry_ptr_block(NULL, &d, dentry_blk);
f2fs_do_make_empty_dir(inode, parent, &d);
- set_page_dirty(dentry_page);
- f2fs_put_page(dentry_page, 1);
+ folio_mark_dirty(dentry_folio);
+ f2fs_folio_put(dentry_folio, true);
return 0;
}
-struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
- const struct f2fs_filename *fname, struct page *dpage)
+struct folio *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
+ const struct f2fs_filename *fname, struct folio *dfolio)
{
- struct page *page;
+ struct folio *folio;
int err;
if (is_inode_flag_set(inode, FI_NEW_INODE)) {
- page = f2fs_new_inode_page(inode);
- if (IS_ERR(page))
- return page;
+ folio = f2fs_new_inode_folio(inode);
+ if (IS_ERR(folio))
+ return folio;
if (S_ISDIR(inode->i_mode)) {
/* in order to handle error case */
- get_page(page);
- err = make_empty_dir(inode, dir, page);
+ folio_get(folio);
+ err = make_empty_dir(inode, dir, folio);
if (err) {
- lock_page(page);
+ folio_lock(folio);
goto put_error;
}
- put_page(page);
+ folio_put(folio);
}
- err = f2fs_init_acl(inode, dir, page, dpage);
+ err = f2fs_init_acl(inode, dir, folio, dfolio);
if (err)
goto put_error;
err = f2fs_init_security(inode, dir,
- fname ? fname->usr_fname : NULL, page);
+ fname ? fname->usr_fname : NULL,
+ folio);
if (err)
goto put_error;
if (IS_ENCRYPTED(inode)) {
- err = fscrypt_set_context(inode, page);
+ err = fscrypt_set_context(inode, folio);
if (err)
goto put_error;
}
} else {
- page = f2fs_get_inode_page(F2FS_I_SB(dir), inode->i_ino);
- if (IS_ERR(page))
- return page;
+ folio = f2fs_get_inode_folio(F2FS_I_SB(dir), inode->i_ino);
+ if (IS_ERR(folio))
+ return folio;
}
- init_dent_inode(dir, inode, fname, page);
+ init_dent_inode(dir, inode, fname, folio);
/*
* This file should be checkpointed during fsync.
@@ -573,12 +575,12 @@ struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
f2fs_remove_orphan_inode(F2FS_I_SB(dir), inode->i_ino);
f2fs_i_links_write(inode, true);
}
- return page;
+ return folio;
put_error:
clear_nlink(inode);
- f2fs_update_inode(inode, page);
- f2fs_put_page(page, 1);
+ f2fs_update_inode(inode, folio);
+ f2fs_folio_put(folio, true);
return ERR_PTR(err);
}
@@ -620,14 +622,14 @@ next:
goto next;
}
-bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
+bool f2fs_has_enough_room(struct inode *dir, struct folio *ifolio,
const struct f2fs_filename *fname)
{
struct f2fs_dentry_ptr d;
unsigned int bit_pos;
int slots = GET_DENTRY_SLOTS(fname->disk_name.len);
- make_dentry_ptr_inline(dir, &d, inline_data_addr(dir, ipage));
+ make_dentry_ptr_inline(dir, &d, inline_data_addr(dir, ifolio));
bit_pos = f2fs_room_for_filename(d.bitmap, slots, d.max);
@@ -664,10 +666,10 @@ int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
unsigned int current_depth;
unsigned long bidx, block;
unsigned int nbucket, nblock;
- struct page *dentry_page = NULL;
+ struct folio *dentry_folio = NULL;
struct f2fs_dentry_block *dentry_blk = NULL;
struct f2fs_dentry_ptr d;
- struct page *page = NULL;
+ struct folio *folio = NULL;
int slots, err = 0;
level = 0;
@@ -697,30 +699,30 @@ start:
(le32_to_cpu(fname->hash) % nbucket));
for (block = bidx; block <= (bidx + nblock - 1); block++) {
- dentry_page = f2fs_get_new_data_page(dir, NULL, block, true);
- if (IS_ERR(dentry_page))
- return PTR_ERR(dentry_page);
+ dentry_folio = f2fs_get_new_data_folio(dir, NULL, block, true);
+ if (IS_ERR(dentry_folio))
+ return PTR_ERR(dentry_folio);
- dentry_blk = page_address(dentry_page);
+ dentry_blk = folio_address(dentry_folio);
bit_pos = f2fs_room_for_filename(&dentry_blk->dentry_bitmap,
slots, NR_DENTRY_IN_BLOCK);
if (bit_pos < NR_DENTRY_IN_BLOCK)
goto add_dentry;
- f2fs_put_page(dentry_page, 1);
+ f2fs_folio_put(dentry_folio, true);
}
/* Move to next level to find the empty slot for new dentry */
++level;
goto start;
add_dentry:
- f2fs_wait_on_page_writeback(dentry_page, DATA, true, true);
+ f2fs_folio_wait_writeback(dentry_folio, DATA, true, true);
if (inode) {
f2fs_down_write(&F2FS_I(inode)->i_sem);
- page = f2fs_init_inode_metadata(inode, dir, fname, NULL);
- if (IS_ERR(page)) {
- err = PTR_ERR(page);
+ folio = f2fs_init_inode_metadata(inode, dir, fname, NULL);
+ if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
goto fail;
}
}
@@ -729,16 +731,16 @@ add_dentry:
f2fs_update_dentry(ino, mode, &d, &fname->disk_name, fname->hash,
bit_pos);
- set_page_dirty(dentry_page);
+ folio_mark_dirty(dentry_folio);
if (inode) {
f2fs_i_pino_write(inode, dir->i_ino);
/* synchronize inode page's data from inode cache */
if (is_inode_flag_set(inode, FI_NEW_INODE))
- f2fs_update_inode(inode, page);
+ f2fs_update_inode(inode, folio);
- f2fs_put_page(page, 1);
+ f2fs_folio_put(folio, true);
}
f2fs_update_parent_metadata(dir, inode, current_depth);
@@ -746,7 +748,7 @@ fail:
if (inode)
f2fs_up_write(&F2FS_I(inode)->i_sem);
- f2fs_put_page(dentry_page, 1);
+ f2fs_folio_put(dentry_folio, true);
return err;
}
@@ -780,7 +782,7 @@ int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
struct inode *inode, nid_t ino, umode_t mode)
{
struct f2fs_filename fname;
- struct page *page = NULL;
+ struct folio *folio = NULL;
struct f2fs_dir_entry *de = NULL;
int err;
@@ -796,14 +798,14 @@ int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
* consistency more.
*/
if (current != F2FS_I(dir)->task) {
- de = __f2fs_find_entry(dir, &fname, &page);
+ de = __f2fs_find_entry(dir, &fname, &folio);
F2FS_I(dir)->task = NULL;
}
if (de) {
- f2fs_put_page(page, 0);
+ f2fs_folio_put(folio, false);
err = -EEXIST;
- } else if (IS_ERR(page)) {
- err = PTR_ERR(page);
+ } else if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
} else {
err = f2fs_add_dentry(dir, &fname, inode, ino, mode);
}
@@ -814,16 +816,16 @@ int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
int f2fs_do_tmpfile(struct inode *inode, struct inode *dir,
struct f2fs_filename *fname)
{
- struct page *page;
+ struct folio *folio;
int err = 0;
f2fs_down_write(&F2FS_I(inode)->i_sem);
- page = f2fs_init_inode_metadata(inode, dir, fname, NULL);
- if (IS_ERR(page)) {
- err = PTR_ERR(page);
+ folio = f2fs_init_inode_metadata(inode, dir, fname, NULL);
+ if (IS_ERR(folio)) {
+ err = PTR_ERR(folio);
goto fail;
}
- f2fs_put_page(page, 1);
+ f2fs_folio_put(folio, true);
clear_inode_flag(inode, FI_NEW_INODE);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
@@ -859,13 +861,13 @@ void f2fs_drop_nlink(struct inode *dir, struct inode *inode)
* It only removes the dentry from the dentry page, corresponding name
* entry in name page does not need to be touched during deletion.
*/
-void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
+void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct folio *folio,
struct inode *dir, struct inode *inode)
{
- struct f2fs_dentry_block *dentry_blk;
+ struct f2fs_dentry_block *dentry_blk;
unsigned int bit_pos;
int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
- pgoff_t index = page_folio(page)->index;
+ pgoff_t index = folio->index;
int i;
f2fs_update_time(F2FS_I_SB(dir), REQ_TIME);
@@ -874,12 +876,12 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
f2fs_add_ino_entry(F2FS_I_SB(dir), dir->i_ino, TRANS_DIR_INO);
if (f2fs_has_inline_dentry(dir))
- return f2fs_delete_inline_entry(dentry, page, dir, inode);
+ return f2fs_delete_inline_entry(dentry, folio, dir, inode);
- lock_page(page);
- f2fs_wait_on_page_writeback(page, DATA, true, true);
+ folio_lock(folio);
+ f2fs_folio_wait_writeback(folio, DATA, true, true);
- dentry_blk = page_address(page);
+ dentry_blk = folio_address(folio);
bit_pos = dentry - dentry_blk->dentry;
for (i = 0; i < slots; i++)
__clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
@@ -888,19 +890,19 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap,
NR_DENTRY_IN_BLOCK,
0);
- set_page_dirty(page);
+ folio_mark_dirty(folio);
if (bit_pos == NR_DENTRY_IN_BLOCK &&
!f2fs_truncate_hole(dir, index, index + 1)) {
- f2fs_clear_page_cache_dirty_tag(page_folio(page));
- clear_page_dirty_for_io(page);
- ClearPageUptodate(page);
- clear_page_private_all(page);
+ f2fs_clear_page_cache_dirty_tag(folio);
+ folio_clear_dirty_for_io(folio);
+ folio_clear_uptodate(folio);
+ clear_page_private_all(&folio->page);
inode_dec_dirty_pages(dir);
f2fs_remove_dirty_inode(dir);
}
- f2fs_put_page(page, 1);
+ f2fs_folio_put(folio, true);
inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir));
f2fs_mark_inode_dirty_sync(dir, false);
@@ -912,7 +914,6 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
bool f2fs_empty_dir(struct inode *dir)
{
unsigned long bidx = 0;
- struct page *dentry_page;
unsigned int bit_pos;
struct f2fs_dentry_block *dentry_blk;
unsigned long nblock = dir_blocks(dir);
@@ -922,10 +923,11 @@ bool f2fs_empty_dir(struct inode *dir)
while (bidx < nblock) {
pgoff_t next_pgofs;
+ struct folio *dentry_folio;
- dentry_page = f2fs_find_data_page(dir, bidx, &next_pgofs);
- if (IS_ERR(dentry_page)) {
- if (PTR_ERR(dentry_page) == -ENOENT) {
+ dentry_folio = f2fs_find_data_folio(dir, bidx, &next_pgofs);
+ if (IS_ERR(dentry_folio)) {
+ if (PTR_ERR(dentry_folio) == -ENOENT) {
bidx = next_pgofs;
continue;
} else {
@@ -933,7 +935,7 @@ bool f2fs_empty_dir(struct inode *dir)
}
}
- dentry_blk = page_address(dentry_page);
+ dentry_blk = folio_address(dentry_folio);
if (bidx == 0)
bit_pos = 2;
else
@@ -942,7 +944,7 @@ bool f2fs_empty_dir(struct inode *dir)
NR_DENTRY_IN_BLOCK,
bit_pos);
- f2fs_put_page(dentry_page, 0);
+ f2fs_folio_put(dentry_folio, false);
if (bit_pos < NR_DENTRY_IN_BLOCK)
return false;
@@ -1041,7 +1043,6 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
struct inode *inode = file_inode(file);
unsigned long npages = dir_blocks(inode);
struct f2fs_dentry_block *dentry_blk = NULL;
- struct page *dentry_page = NULL;
struct file_ra_state *ra = &file->f_ra;
loff_t start_pos = ctx->pos;
unsigned int n = ((unsigned long)ctx->pos / NR_DENTRY_IN_BLOCK);
@@ -1065,6 +1066,7 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
}
for (; n < npages; ctx->pos = n * NR_DENTRY_IN_BLOCK) {
+ struct folio *dentry_folio;
pgoff_t next_pgofs;
/* allow readdir() to be interrupted */
@@ -1079,9 +1081,9 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
page_cache_sync_readahead(inode->i_mapping, ra, file, n,
min(npages - n, (pgoff_t)MAX_DIR_RA_PAGES));
- dentry_page = f2fs_find_data_page(inode, n, &next_pgofs);
- if (IS_ERR(dentry_page)) {
- err = PTR_ERR(dentry_page);
+ dentry_folio = f2fs_find_data_folio(inode, n, &next_pgofs);
+ if (IS_ERR(dentry_folio)) {
+ err = PTR_ERR(dentry_folio);
if (err == -ENOENT) {
err = 0;
n = next_pgofs;
@@ -1091,18 +1093,15 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
}
}
- dentry_blk = page_address(dentry_page);
+ dentry_blk = folio_address(dentry_folio);
make_dentry_ptr_block(inode, &d, dentry_blk);
err = f2fs_fill_dentries(ctx, &d,
n * NR_DENTRY_IN_BLOCK, &fstr);
- if (err) {
- f2fs_put_page(dentry_page, 0);
+ f2fs_folio_put(dentry_folio, false);
+ if (err)
break;
- }
-
- f2fs_put_page(dentry_page, 0);
n++;
}