diff options
| author | Jan Kara <jack@suse.cz> | 2023-01-24 12:29:57 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-01-26 16:46:36 +0100 |
| commit | 174cb748d88819d8a6420aa5040f9f065fcbdbab (patch) | |
| tree | ba9cdbbaf55efae8bf7b2d3cd072786f366631e4 /fs/udf | |
| parent | 759e4d74c072aadba7cf7c026434ef7e267e4520 (diff) | |
udf: Move udf_adinicb_readpage() to inode.c
udf_adinicb_readpage() is only called from aops functions, move it to
the same file as its callers and also drop the stale comment -
invalidate_lock is protecting us against races with truncate.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf')
| -rw-r--r-- | fs/udf/file.c | 19 | ||||
| -rw-r--r-- | fs/udf/inode.c | 15 | ||||
| -rw-r--r-- | fs/udf/udfdecl.h | 1 |
3 files changed, 15 insertions, 20 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c index 84e0b241940d..26592577b7da 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -38,25 +38,6 @@ #include "udf_i.h" #include "udf_sb.h" -void udf_adinicb_readpage(struct page *page) -{ - struct inode *inode = page->mapping->host; - char *kaddr; - struct udf_inode_info *iinfo = UDF_I(inode); - loff_t isize = i_size_read(inode); - - /* - * We have to be careful here as truncate can change i_size under us. - * So just sample it once and use the same value everywhere. - */ - kaddr = kmap_atomic(page); - memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize); - memset(kaddr + isize, 0, PAGE_SIZE - isize); - flush_dcache_page(page); - SetPageUptodate(page); - kunmap_atomic(kaddr); -} - static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 084b1f319713..b2bad81a253e 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -215,6 +215,21 @@ static int udf_writepages(struct address_space *mapping, return write_cache_pages(mapping, wbc, udf_adinicb_writepage, NULL); } +static void udf_adinicb_readpage(struct page *page) +{ + struct inode *inode = page->mapping->host; + char *kaddr; + struct udf_inode_info *iinfo = UDF_I(inode); + loff_t isize = i_size_read(inode); + + kaddr = kmap_atomic(page); + memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize); + memset(kaddr + isize, 0, PAGE_SIZE - isize); + flush_dcache_page(page); + SetPageUptodate(page); + kunmap_atomic(kaddr); +} + static int udf_read_folio(struct file *file, struct folio *folio) { struct udf_inode_info *iinfo = UDF_I(file_inode(file)); diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 337daf97d5b4..88692512a466 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -137,7 +137,6 @@ static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi) /* file.c */ extern long udf_ioctl(struct file *, unsigned int, unsigned long); -void udf_adinicb_readpage(struct page *page); /* inode.c */ extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |