From: Daeho Jeong <daehoje...@google.com>
In a case writing without fallocate(), we can't guarantee it's allocated
in the conventional area for zoned stroage.
Signed-off-by: Daeho Jeong <daehoje...@google.com>
---
fs/f2fs/data.c | 7 +++++++
fs/f2fs/file.c | 4 ++++
2 files changed, 11 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c21b92f18463..5e4c11a719a0 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3378,6 +3378,8 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
f2fs_map_lock(sbi, flag);
locked = true;
} else if ((pos & PAGE_MASK) >= i_size_read(inode)) {
+ if (f2fs_is_pinned_file(inode))
+ return -EIO;
f2fs_map_lock(sbi, flag);
locked = true;
}
@@ -3407,6 +3409,11 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
if (!f2fs_lookup_read_extent_cache_block(inode, index,
&dn.data_blkaddr)) {
+ if (f2fs_is_pinned_file(inode)) {
+ err = -EIO;
+ goto out;
+ }
+
if (locked) {
err = f2fs_reserve_block(&dn, index);
goto out;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 82277e95c88f..f98730932fc4 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4611,6 +4611,10 @@ static int f2fs_preallocate_blocks(struct kiocb *iocb,
struct iov_iter *iter,
return ret;
}
+ /* For pinned files, it should be fallocate()-ed in advance. */
+ if (f2fs_is_pinned_file(inode))
+ return 0;
+
/* Do not preallocate blocks that will be written partially in 4KB. */
map.m_lblk = F2FS_BLK_ALIGN(pos);
map.m_len = F2FS_BYTES_TO_BLK(pos + count);
--
2.44.0.278.ge034bb2e1d-goog
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