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-rw-r--r--fs/io_uring.c34
1 files changed, 10 insertions, 24 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index c2dbef1e3272..635902122c29 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6349,7 +6349,6 @@ static void io_ring_file_put(struct io_ring_ctx *ctx, struct file *file)
struct io_file_put {
struct llist_node llist;
struct file *file;
- bool free_pfile;
};
static void io_ring_file_ref_flush(struct fixed_file_data *data)
@@ -6360,8 +6359,7 @@ static void io_ring_file_ref_flush(struct fixed_file_data *data)
while ((node = llist_del_all(&data->put_llist)) != NULL) {
llist_for_each_entry_safe(pfile, tmp, node, llist) {
io_ring_file_put(data->ctx, pfile->file);
- if (pfile->free_pfile)
- kfree(pfile);
+ kfree(pfile);
}
}
}
@@ -6556,32 +6554,18 @@ static void io_atomic_switch(struct percpu_ref *ref)
percpu_ref_get(&data->refs);
}
-static bool io_queue_file_removal(struct fixed_file_data *data,
+static int io_queue_file_removal(struct fixed_file_data *data,
struct file *file)
{
- struct io_file_put *pfile, pfile_stack;
+ struct io_file_put *pfile;
- /*
- * If we fail allocating the struct we need for doing async reomval
- * of this file, just punt to sync and wait for it.
- */
pfile = kzalloc(sizeof(*pfile), GFP_KERNEL);
- if (!pfile) {
- pfile = &pfile_stack;
- pfile->free_pfile = false;
- } else
- pfile->free_pfile = true;
+ if (!pfile)
+ return -ENOMEM;
pfile->file = file;
llist_add(&pfile->llist, &data->put_llist);
-
- if (pfile == &pfile_stack) {
- percpu_ref_switch_to_atomic(&data->refs, io_atomic_switch);
- flush_work(&data->ref_work);
- return false;
- }
-
- return true;
+ return 0;
}
static int __io_sqe_files_update(struct io_ring_ctx *ctx,
@@ -6616,9 +6600,11 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
index = i & IORING_FILE_TABLE_MASK;
if (table->files[index]) {
file = io_file_from_index(ctx, index);
+ err = io_queue_file_removal(data, file);
+ if (err)
+ break;
table->files[index] = NULL;
- if (io_queue_file_removal(data, file))
- ref_switch = true;
+ ref_switch = true;
}
if (fd != -1) {
file = fget(fd);