shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 03:15:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

f2fs: drop inode from the donation list when the last file is closed

Browse Source 
[ Upstream commit 078cad8212ce4f4ebbafcc0936475b8215e1ca2a ]

Let's drop the inode from the donation list when there is no other
open file.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: 10b591e7fb7c ("f2fs: fix to avoid updating compression context during writeback")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jaegeuk Kim
2025-12-30 12:05:39 -05:00
committed by Greg Kroah-Hartman
parent 1a00afcdae
commit b54cdce20f
4 changed files with 11 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/f2fs/f2fs.h
View File

@@ -841,6 +841,7 @@ struct f2fs_inode_info {
/* linked in global inode list for cache donation */
struct list_head gdonate_list;
pgoff_t donate_start, donate_end; /* inclusive */
atomic_t open_count; /* # of open files */
struct task_struct *atomic_write_task; /* store atomic write task */
struct extent_tree *extent_tree[NR_EXTENT_CACHES];
@@ -3560,6 +3561,7 @@ int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
void f2fs_update_inode(struct inode *inode, struct page *node_page);
void f2fs_update_inode_page(struct inode *inode);
int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
void f2fs_remove_donate_inode(struct inode *inode);
void f2fs_evict_inode(struct inode *inode);
void f2fs_handle_failed_inode(struct inode *inode);

8
fs/f2fs/file.c
View File

@@ -621,7 +621,10 @@ static int f2fs_file_open(struct inode *inode, struct file *filp)
if (err)
return err;
return finish_preallocate_blocks(inode);
err = finish_preallocate_blocks(inode);
if (!err)
atomic_inc(&F2FS_I(inode)->open_count);
return err;
}
void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
@@ -1966,6 +1969,9 @@ out:
static int f2fs_release_file(struct inode *inode, struct file *filp)
{
if (atomic_dec_and_test(&F2FS_I(inode)->open_count))
f2fs_remove_donate_inode(inode);
/*
* f2fs_release_file is called at every close calls. So we should
* not drop any inmemory pages by close called by other process.

2
fs/f2fs/inode.c
View File

@@ -811,7 +811,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
return 0;
}
static void f2fs_remove_donate_inode(struct inode *inode)
void f2fs_remove_donate_inode(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);

1
fs/f2fs/super.c
View File

@@ -1409,6 +1409,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
/* Initialize f2fs-specific inode info */
atomic_set(&fi->dirty_pages, 0);
atomic_set(&fi->i_compr_blocks, 0);
atomic_set(&fi->open_count, 0);
init_f2fs_rwsem(&fi->i_sem);
spin_lock_init(&fi->i_size_lock);
INIT_LIST_HEAD(&fi->dirty_list);