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Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c110
1 files changed, 51 insertions, 59 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 402e38185b8c..832bd91922b8 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -35,35 +35,17 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
struct inode *inode = file_inode(vma->vm_file);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct dnode_of_data dn;
- struct page *ipage;
int err;
f2fs_balance_fs(sbi);
sb_start_pagefault(inode->i_sb);
-retry:
- /* force to convert with normal data indices */
- err = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, page);
- if (err)
- goto out;
+
+ f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
/* block allocation */
f2fs_lock_op(sbi);
-
- /* check inline_data */
- ipage = get_node_page(sbi, inode->i_ino);
- if (IS_ERR(ipage)) {
- f2fs_unlock_op(sbi);
- goto out;
- }
-
- if (f2fs_has_inline_data(inode)) {
- f2fs_put_page(ipage, 1);
- f2fs_unlock_op(sbi);
- goto retry;
- }
-
- set_new_dnode(&dn, inode, ipage, NULL, 0);
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
err = f2fs_reserve_block(&dn, page->index);
if (err) {
f2fs_unlock_op(sbi);
@@ -392,6 +374,15 @@ static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
+ struct inode *inode = file_inode(file);
+
+ /* we don't need to use inline_data strictly */
+ if (f2fs_has_inline_data(inode)) {
+ int err = f2fs_convert_inline_inode(inode);
+ if (err)
+ return err;
+ }
+
file_accessed(file);
vma->vm_ops = &f2fs_file_vm_ops;
return 0;
@@ -433,20 +424,17 @@ void truncate_data_blocks(struct dnode_of_data *dn)
truncate_data_blocks_range(dn, ADDRS_PER_BLOCK);
}
-static void truncate_partial_data_page(struct inode *inode, u64 from)
+static int truncate_partial_data_page(struct inode *inode, u64 from)
{
unsigned offset = from & (PAGE_CACHE_SIZE - 1);
struct page *page;
- if (f2fs_has_inline_data(inode))
- return truncate_inline_data(inode, from);
-
if (!offset)
- return;
+ return 0;
page = find_data_page(inode, from >> PAGE_CACHE_SHIFT, false);
if (IS_ERR(page))
- return;
+ return 0;
lock_page(page);
if (unlikely(!PageUptodate(page) ||
@@ -456,9 +444,9 @@ static void truncate_partial_data_page(struct inode *inode, u64 from)
f2fs_wait_on_page_writeback(page, DATA);
zero_user(page, offset, PAGE_CACHE_SIZE - offset);
set_page_dirty(page);
-
out:
f2fs_put_page(page, 1);
+ return 0;
}
int truncate_blocks(struct inode *inode, u64 from, bool lock)
@@ -468,33 +456,35 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
struct dnode_of_data dn;
pgoff_t free_from;
int count = 0, err = 0;
+ struct page *ipage;
trace_f2fs_truncate_blocks_enter(inode, from);
- if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
- goto done;
-
free_from = (pgoff_t)
- ((from + blocksize - 1) >> (sbi->log_blocksize));
+ ((from + blocksize - 1) >> (sbi->log_blocksize));
if (lock)
f2fs_lock_op(sbi);
- set_new_dnode(&dn, inode, NULL, NULL, 0);
+ ipage = get_node_page(sbi, inode->i_ino);
+ if (IS_ERR(ipage)) {
+ err = PTR_ERR(ipage);
+ goto out;
+ }
+
+ if (f2fs_has_inline_data(inode)) {
+ truncate_inline_data(ipage, from);
+ update_inode(inode, ipage);
+ f2fs_put_page(ipage, 1);
+ goto out;
+ }
+
+ set_new_dnode(&dn, inode, ipage, NULL, 0);
err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE);
if (err) {
if (err == -ENOENT)
goto free_next;
- if (lock)
- f2fs_unlock_op(sbi);
- trace_f2fs_truncate_blocks_exit(inode, err);
- return err;
- }
-
- /* writepage can convert inline_data under get_donde_of_data */
- if (f2fs_has_inline_data(inode)) {
- f2fs_put_dnode(&dn);
- goto unlock_done;
+ goto out;
}
count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
@@ -510,12 +500,13 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
f2fs_put_dnode(&dn);
free_next:
err = truncate_inode_blocks(inode, free_from);
-unlock_done:
+
+ /* lastly zero out the first data page */
+ if (!err)
+ err = truncate_partial_data_page(inode, from);
+out:
if (lock)
f2fs_unlock_op(sbi);
-done:
- /* lastly zero out the first data page */
- truncate_partial_data_page(inode, from);
trace_f2fs_truncate_blocks_exit(inode, err);
return err;
@@ -586,10 +577,6 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
return err;
if (attr->ia_valid & ATTR_SIZE) {
- err = f2fs_convert_inline_data(inode, attr->ia_size, NULL);
- if (err)
- return err;
-
if (attr->ia_size != i_size_read(inode)) {
truncate_setsize(inode, attr->ia_size);
f2fs_truncate(inode);
@@ -690,9 +677,11 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
if (offset >= inode->i_size)
return ret;
- ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, NULL);
- if (ret)
- return ret;
+ if (f2fs_has_inline_data(inode)) {
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
+ }
pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
@@ -746,9 +735,11 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
if (ret)
return ret;
- ret = f2fs_convert_inline_data(inode, offset + len, NULL);
- if (ret)
- return ret;
+ if (f2fs_has_inline_data(inode)) {
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ return ret;
+ }
pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
@@ -899,7 +890,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- return f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1, NULL);
+ return f2fs_convert_inline_inode(inode);
}
static int f2fs_ioc_commit_atomic_write(struct file *filp)
@@ -933,7 +924,8 @@ static int f2fs_ioc_start_volatile_write(struct file *filp)
return -EACCES;
set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
- return 0;
+
+ return f2fs_convert_inline_inode(inode);
}
static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 16:01:34 +0000