diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:03:24 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:04:30 -0300 |
| commit | 692d42d411b7db6a76382537fccbee3a12a2bcdb (patch) | |
| tree | 24770529cf173188bc5d2d0d9331c0ac723b631e /fs/udf/inode.c | |
| parent | c52159b5be7894540acdc7a35791c0b57097fa4c (diff) | |
| parent | 13a0d1ae7ee6b438f5537711a8c60cba00554943 (diff) | |
Merge branch 'iommufd/for-rc' into for-next
The following selftest patch requires both the bug fixes and the
improvements of the selftest framework.
* iommufd/for-rc:
iommufd: Do not corrupt the pfn list when doing batch carry
iommufd: Fix unpinning of pages when an access is present
iommufd: Check for uptr overflow
Linux 6.3-rc5
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'fs/udf/inode.c')
| -rw-r--r-- | fs/udf/inode.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index f7a9607c2b95..2210e5eb1ea0 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -193,7 +193,7 @@ static int udf_adinicb_writepage(struct folio *folio, struct udf_inode_info *iinfo = UDF_I(inode); BUG_ON(!PageLocked(page)); - memcpy_to_page(page, 0, iinfo->i_data + iinfo->i_lenEAttr, + memcpy_from_page(iinfo->i_data + iinfo->i_lenEAttr, page, 0, i_size_read(inode)); unlock_page(page); mark_inode_dirty(inode); @@ -241,6 +241,15 @@ static int udf_read_folio(struct file *file, struct folio *folio) static void udf_readahead(struct readahead_control *rac) { + struct udf_inode_info *iinfo = UDF_I(rac->mapping->host); + + /* + * No readahead needed for in-ICB files and udf_get_block() would get + * confused for such file anyway. + */ + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) + return; + mpage_readahead(rac, udf_get_block); } @@ -407,6 +416,9 @@ static int udf_map_block(struct inode *inode, struct udf_map_rq *map) int err; struct udf_inode_info *iinfo = UDF_I(inode); + if (WARN_ON_ONCE(iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)) + return -EFSCORRUPTED; + map->oflags = 0; if (!(map->iflags & UDF_MAP_CREATE)) { struct kernel_lb_addr eloc; |