[PATCH] f2fs: avoid EINVAL by SBI_NEED_FSCK when pinning a file

From: Jaegeuk Kim
Date: Thu Dec 09 2021 - 13:42:42 EST


Android OTA failed due to SBI_NEED_FSCK flag when pinning the file. Let's avoid
it since we can do in-place-updates.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Change-Id: I3fd33c984417c10b38e23de6cec017b03d588945
---
fs/f2fs/data.c | 7 +++++--
fs/f2fs/file.c | 10 +++++-----
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index a9652a8e669b..40c0d1426a11 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2525,6 +2525,11 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);

+ /* The below cases were checked when setting it. */
+ if (f2fs_is_pinned_file(inode))
+ return false;
+ if (fio && is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+ return true;
if (f2fs_lfs_mode(sbi))
return true;
if (S_ISDIR(inode->i_mode))
@@ -2533,8 +2538,6 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
return true;
if (f2fs_is_atomic_file(inode))
return true;
- if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
- return true;

/* swap file is migrating in aligned write mode */
if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a15f8ba239f0..5ec6bef3937f 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3145,17 +3145,17 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)

inode_lock(inode);

- if (f2fs_should_update_outplace(inode, NULL)) {
- ret = -EINVAL;
- goto out;
- }
-
if (!pin) {
clear_inode_flag(inode, FI_PIN_FILE);
f2fs_i_gc_failures_write(inode, 0);
goto done;
}

+ if (f2fs_should_update_outplace(inode, NULL)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
if (f2fs_pin_file_control(inode, false)) {
ret = -EAGAIN;
goto out;
--
2.34.1.173.g76aa8bc2d0-goog