Thread A: Thread B:
-f2fs_remount
-sbi->mount_opt.opt = 0;
<--- -f2fs_iget
-do_read_inode
-f2fs_init_extent_tree
-F2FS_I(inode)->extent_tree is NULL
-default_options && parse_options
-remount return
<--- -f2fs_map_blocks
-f2fs_lookup_extent_tree
-f2fs_bug_on(sbi,
!et);
The same problem with f2fs_new_inode.
Signed-off-by: Yunlei He <heyun...@huawei.com>
---
fs/f2fs/extent_cache.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 2f98d70..5c9ba22 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -327,6 +327,9 @@ bool f2fs_init_extent_tree(struct inode *inode, struct
f2fs_extent *i_ext)
struct extent_node *en;
struct extent_info ei;
+ if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE))
+ set_inode_flag(inode, FI_NO_EXTENT);
+
if (!f2fs_may_extent_tree(inode)) {
/* drop largest extent */
if (i_ext && i_ext->len) {
--
1.9.1
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