diff options
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index c1d8b8a1aa3b..202ec3156d04 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -948,6 +948,15 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend, index++; } + /* + * When undoing a failed fallocate, we want none of the partial folio + * zeroing and splitting below, but shall want to truncate the whole + * folio when !uptodate indicates that it was added by this fallocate, + * even when [lstart, lend] covers only a part of the folio. + */ + if (unfalloc) + goto whole_folios; + same_folio = (lstart >> PAGE_SHIFT) == (lend >> PAGE_SHIFT); folio = shmem_get_partial_folio(inode, lstart >> PAGE_SHIFT); if (folio) { @@ -973,6 +982,8 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend, folio_put(folio); } +whole_folios: + index = start; while (index < end) { cond_resched(); @@ -1121,7 +1132,7 @@ static int shmem_setattr(struct user_namespace *mnt_userns, setattr_copy(&init_user_ns, inode, attr); if (attr->ia_valid & ATTR_MODE) - error = posix_acl_chmod(&init_user_ns, inode, inode->i_mode); + error = posix_acl_chmod(&init_user_ns, dentry, inode->i_mode); if (!error && update_ctime) { inode->i_ctime = current_time(inode); if (update_mtime) @@ -3272,7 +3283,7 @@ static int shmem_initxattrs(struct inode *inode, memcpy(new_xattr->name + XATTR_SECURITY_PREFIX_LEN, xattr->name, len); - simple_xattr_list_add(&info->xattrs, new_xattr); + simple_xattr_add(&info->xattrs, new_xattr); } return 0; |