In do_read_inode(), sanity check for extent cache should be called after
f2fs_init_read_extent_tree(), fix it.
Fixes: 72840cccc0a1 ("f2fs: allocate the extent_cache by default")
Signed-off-by: Chao Yu <c...@kernel.org>
---
v2:
- just relocate sanity check on extent cache.
fs/f2fs/extent_cache.c | 25 +++++++++++++++++++++++++
fs/f2fs/f2fs.h | 1 +
fs/f2fs/inode.c | 22 ++++++----------------
3 files changed, 32 insertions(+), 16 deletions(-)
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 1daf8c88c09b..d93fcb082c31 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -19,6 +19,31 @@
#include "node.h"
#include <trace/events/f2fs.h>
+bool sanity_check_extent_cache(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ struct extent_info *ei;
+
+ if (!fi->extent_tree[EX_READ])
+ return true;
+
+ ei = &fi->extent_tree[EX_READ]->largest;
+
+ if (ei->len &&
+ (!f2fs_is_valid_blkaddr(sbi, ei->blk,
+ DATA_GENERIC_ENHANCE) ||
+ !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
+ DATA_GENERIC_ENHANCE))) {
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is
incorrect, run fsck to fix",
+ __func__, inode->i_ino,
+ ei->blk, ei->fofs, ei->len);
+ return false;
+ }
+ return true;
+}
+
static void __set_extent_info(struct extent_info *ei,
unsigned int fofs, unsigned int len,
block_t blk, bool keep_clen,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f3c5f7740c1a..8148aeabab03 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -4136,6 +4136,7 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
/*
* extent_cache.c
*/
+bool sanity_check_extent_cache(struct inode *inode);
struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
struct rb_entry *cached_re, unsigned int ofs);
struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi,
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 01b9e6f85f6b..164779c561f9 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -262,22 +262,6 @@ static bool sanity_check_inode(struct inode *inode, struct
page *node_page)
return false;
}
- if (fi->extent_tree[EX_READ]) {
- struct extent_info *ei = &fi->extent_tree[EX_READ]->largest;
-
- if (ei->len &&
- (!f2fs_is_valid_blkaddr(sbi, ei->blk,
- DATA_GENERIC_ENHANCE) ||
- !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
- DATA_GENERIC_ENHANCE))) {
- set_sbi_flag(sbi, SBI_NEED_FSCK);
- f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u,
%u, %u] is incorrect, run fsck to fix",
- __func__, inode->i_ino,
- ei->blk, ei->fofs, ei->len);
- return false;
- }
- }
-
if (f2fs_sanity_check_inline_data(inode)) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_warn(sbi, "%s: inode (ino=%lx, mode=%u) should not have
inline_data, run fsck to fix",
@@ -482,6 +466,12 @@ static int do_read_inode(struct inode *inode)
f2fs_init_read_extent_tree(inode, node_page);
f2fs_init_age_extent_tree(inode);
+ if (!sanity_check_extent_cache(inode)) {
+ f2fs_put_page(node_page, 1);
+ f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
+ return -EFSCORRUPTED;
+ }
+
f2fs_put_page(node_page, 1);
stat_inc_inline_xattr(inode);
--
2.25.1
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