diff options
| -rw-r--r-- | fs/ext4/extents.c | 2 | ||||
| -rw-r--r-- | fs/ext4/ioctl.c | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 3adf05fbdd59..b5eb89ef7ae2 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5011,7 +5011,9 @@ int ext4_get_es_cache(struct inode *inode, struct fiemap_extent_info *fieinfo, } if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { + inode_lock_shared(inode); error = ext4_ext_precache(inode); + inode_unlock_shared(inode); if (error) return error; fieinfo->fi_flags &= ~FIEMAP_FLAG_CACHE; 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; |