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-rw-r--r--fs/f2fs/data.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 95fdbe3e6cca..7fd09837820a 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1944,6 +1944,12 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
trace_f2fs_write_begin(inode, pos, len, flags);
+ if (f2fs_is_atomic_file(inode) &&
+ !available_free_memory(sbi, INMEM_PAGES)) {
+ err = -ENOMEM;
+ goto fail;
+ }
+
/*
* We should check this at this moment to avoid deadlock on inode page
* and #0 page. The locking rule for inline_data conversion should be:
@@ -2021,6 +2027,8 @@ repeat:
fail:
f2fs_put_page(page, 1);
f2fs_write_failed(mapping, pos + len);
+ if (f2fs_is_atomic_file(inode))
+ drop_inmem_pages_all(sbi);
return err;
}