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authorchuguangqing <chuguangqing@inspur.com>2025-08-06 10:28:49 +0800
committerTheodore Ts'o <tytso@mit.edu>2025-09-25 14:17:16 -0400
commit1534f72dc2a11ded38b0e0268fbcc0ca24e9fd4a (patch)
treecd34f7d91d86fbca9d8d821486fdb16d53ae18dc
parentLinux 6.17-rc4 (diff)
downloadlinux-1534f72dc2a11ded38b0e0268fbcc0ca24e9fd4a.tar.gz
linux-1534f72dc2a11ded38b0e0268fbcc0ca24e9fd4a.zip
fs: ext4: change GFP_KERNEL to GFP_NOFS to avoid deadlock
The parent function ext4_xattr_inode_lookup_create already uses GFP_NOFS for memory alloction, so the function ext4_xattr_inode_cache_find should use same gfp_flag. Signed-off-by: chuguangqing <chuguangqing@inspur.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
-rw-r--r--fs/ext4/xattr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 5a6fe1513fd2..7743d81b2f21 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1530,7 +1530,7 @@ ext4_xattr_inode_cache_find(struct inode *inode, const void *value,
WARN_ON_ONCE(ext4_handle_valid(journal_current_handle()) &&
!(current->flags & PF_MEMALLOC_NOFS));
- ea_data = kvmalloc(value_len, GFP_KERNEL);
+ ea_data = kvmalloc(value_len, GFP_NOFS);
if (!ea_data) {
mb_cache_entry_put(ea_inode_cache, ce);
return NULL;