some user behaviors requested filesystem operations, which
will cause filesystem not idle.
Meanwhile adjust some f2fs_update_time(REQ_TIME) positions.
Signed-off-by: Zhiguo Niu
---
v3: modify some update conditions according to Chao's suggeestions
v2: update patch according to Chao's suggestions
---
---
fs/f2fs/file.c | 15 ---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1761ad1..128e53d 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2354,13 +2354,14 @@ static bool uuid_is_nonzero(__u8 u[16])
static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
+ int ret;
if (!f2fs_sb_has_encrypt(F2FS_I_SB(inode)))
return -EOPNOTSUPP;
+ ret = fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
-
- return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
+ return ret;
}
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
@@ -2786,7 +2787,8 @@ static int f2fs_ioc_defragment(struct file *filp,
unsigned long arg)
err = f2fs_defragment_range(sbi, filp, );
mnt_drop_write_file(filp);
- f2fs_update_time(sbi, REQ_TIME);
+ if (range.len)
+ f2fs_update_time(sbi, REQ_TIME);
if (err < 0)
return err;
@@ -3600,6 +3602,8 @@ static int f2fs_release_compress_blocks(struct file
*filp, unsigned long arg)
filemap_invalidate_unlock(inode->i_mapping);
f2fs_up_write(_I(inode)->i_gc_rwsem[WRITE]);
out:
+ if (released_blocks)
+ f2fs_update_time(sbi, REQ_TIME);
inode_unlock(inode);
mnt_drop_write_file(filp);
@@ -3770,6 +3774,8 @@ static int f2fs_reserve_compress_blocks(struct file
*filp, unsigned long arg)
f2fs_mark_inode_dirty_sync(inode, true);
}
unlock_inode:
+ if (reserved_blocks)
+ f2fs_update_time(sbi, REQ_TIME);
inode_unlock(inode);
mnt_drop_write_file(filp);
@@ -3966,6 +3972,7 @@ static int f2fs_sec_trim_file(struct file *filp, unsigned
long arg)
if (len)
ret = f2fs_secure_erase(prev_bdev, inode, prev_index,
prev_block, len, range.flags);
+ f2fs_update_time(sbi, REQ_TIME);
out:
filemap_invalidate_unlock(mapping);
f2fs_up_write(_I(inode)->i_gc_rwsem[WRITE]);
@@ -4175,6 +4182,7 @@ static int f2fs_ioc_decompress_file(struct file *filp)
if (ret)
f2fs_warn(sbi, "%s: The file might be partially decompressed
(errno=%d). Please delete the file.",
__func__, ret);
+ f2fs_update_time(sbi, REQ_TIME);
out:
inode_unlock(inode);
file_end_write(filp);
@@ -4254,6 +4262,7 @@ static int f2fs_ioc_compress_file(struct file *filp)
if (ret)
f2fs_warn(sbi, "%s: The file might be partially compressed
(errno=%d). Please delete the file.",
__func__, ret);
+ f2fs_update_time(sbi, REQ_TIME);
out:
inode_unlock(inode);
file_end_write(filp);
--
1.9.1
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