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Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c84
1 files changed, 33 insertions, 51 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7d714f4972d5..85e91ca88d57 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -33,7 +33,6 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
struct page *page = vmf->page;
struct inode *inode = file_inode(vma->vm_file);
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
- block_t old_blk_addr;
struct dnode_of_data dn;
int err;
@@ -44,30 +43,16 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
/* block allocation */
f2fs_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, page->index, ALLOC_NODE);
- if (err) {
- f2fs_unlock_op(sbi);
- goto out;
- }
-
- old_blk_addr = dn.data_blkaddr;
-
- if (old_blk_addr == NULL_ADDR) {
- err = reserve_new_block(&dn);
- if (err) {
- f2fs_put_dnode(&dn);
- f2fs_unlock_op(sbi);
- goto out;
- }
- }
- f2fs_put_dnode(&dn);
+ err = f2fs_reserve_block(&dn, page->index);
f2fs_unlock_op(sbi);
+ if (err)
+ goto out;
file_update_time(vma->vm_file);
lock_page(page);
- if (page->mapping != inode->i_mapping ||
+ if (unlikely(page->mapping != inode->i_mapping ||
page_offset(page) > i_size_read(inode) ||
- !PageUptodate(page)) {
+ !PageUptodate(page))) {
unlock_page(page);
err = -EFAULT;
goto out;
@@ -130,12 +115,12 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
int ret = 0;
bool need_cp = false;
struct writeback_control wbc = {
- .sync_mode = WB_SYNC_ALL,
+ .sync_mode = WB_SYNC_NONE,
.nr_to_write = LONG_MAX,
.for_reclaim = 0,
};
- if (f2fs_readonly(inode->i_sb))
+ if (unlikely(f2fs_readonly(inode->i_sb)))
return 0;
trace_f2fs_sync_file_enter(inode);
@@ -217,7 +202,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
raw_node = F2FS_NODE(dn->node_page);
addr = blkaddr_in_node(raw_node) + ofs;
- for ( ; count > 0; count--, addr++, dn->ofs_in_node++) {
+ for (; count > 0; count--, addr++, dn->ofs_in_node++) {
block_t blkaddr = le32_to_cpu(*addr);
if (blkaddr == NULL_ADDR)
continue;
@@ -256,7 +241,7 @@ static void truncate_partial_data_page(struct inode *inode, u64 from)
return;
lock_page(page);
- if (page->mapping != inode->i_mapping) {
+ if (unlikely(page->mapping != inode->i_mapping)) {
f2fs_put_page(page, 1);
return;
}
@@ -266,21 +251,24 @@ static void truncate_partial_data_page(struct inode *inode, u64 from)
f2fs_put_page(page, 1);
}
-static int truncate_blocks(struct inode *inode, u64 from)
+int truncate_blocks(struct inode *inode, u64 from)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
unsigned int blocksize = inode->i_sb->s_blocksize;
struct dnode_of_data dn;
pgoff_t free_from;
- int count = 0;
- int err;
+ int count = 0, err = 0;
trace_f2fs_truncate_blocks_enter(inode, from);
+ if (f2fs_has_inline_data(inode))
+ goto done;
+
free_from = (pgoff_t)
((from + blocksize - 1) >> (sbi->log_blocksize));
f2fs_lock_op(sbi);
+
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE);
if (err) {
@@ -308,7 +296,7 @@ static int truncate_blocks(struct inode *inode, u64 from)
free_next:
err = truncate_inode_blocks(inode, free_from);
f2fs_unlock_op(sbi);
-
+done:
/* lastly zero out the first data page */
truncate_partial_data_page(inode, from);
@@ -382,6 +370,10 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if ((attr->ia_valid & ATTR_SIZE) &&
attr->ia_size != i_size_read(inode)) {
+ err = f2fs_convert_inline_data(inode, attr->ia_size);
+ if (err)
+ return err;
+
truncate_setsize(inode, attr->ia_size);
f2fs_truncate(inode);
f2fs_balance_fs(F2FS_SB(inode->i_sb));
@@ -459,12 +451,16 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
return 0;
}
-static int punch_hole(struct inode *inode, loff_t offset, loff_t len, int mode)
+static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
{
pgoff_t pg_start, pg_end;
loff_t off_start, off_end;
int ret = 0;
+ ret = f2fs_convert_inline_data(inode, MAX_INLINE_DATA + 1);
+ if (ret)
+ return ret;
+
pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
@@ -499,12 +495,6 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len, int mode)
}
}
- if (!(mode & FALLOC_FL_KEEP_SIZE) &&
- i_size_read(inode) <= (offset + len)) {
- i_size_write(inode, offset);
- mark_inode_dirty(inode);
- }
-
return ret;
}
@@ -521,6 +511,10 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
if (ret)
return ret;
+ ret = f2fs_convert_inline_data(inode, offset + len);
+ if (ret)
+ return ret;
+
pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
@@ -532,22 +526,10 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
f2fs_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, index, ALLOC_NODE);
- if (ret) {
- f2fs_unlock_op(sbi);
- break;
- }
-
- if (dn.data_blkaddr == NULL_ADDR) {
- ret = reserve_new_block(&dn);
- if (ret) {
- f2fs_put_dnode(&dn);
- f2fs_unlock_op(sbi);
- break;
- }
- }
- f2fs_put_dnode(&dn);
+ ret = f2fs_reserve_block(&dn, index);
f2fs_unlock_op(sbi);
+ if (ret)
+ break;
if (pg_start == pg_end)
new_size = offset + len;
@@ -578,7 +560,7 @@ static long f2fs_fallocate(struct file *file, int mode,
return -EOPNOTSUPP;
if (mode & FALLOC_FL_PUNCH_HOLE)
- ret = punch_hole(inode, offset, len, mode);
+ ret = punch_hole(inode, offset, len);
else
ret = expand_inode_data(inode, offset, len, mode);

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