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-rw-r--r--fs/ext4/ioctl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index d17207386ead..0e240013c84d 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1505,8 +1505,14 @@ resizefs_out:
return 0;
}
case EXT4_IOC_PRECACHE_EXTENTS:
- return ext4_ext_precache(inode);
+ {
+ int ret;
+ inode_lock_shared(inode);
+ ret = ext4_ext_precache(inode);
+ inode_unlock_shared(inode);
+ return ret;
+ }
case FS_IOC_SET_ENCRYPTION_POLICY:
if (!ext4_has_feature_encrypt(sb))
return -EOPNOTSUPP;