descend_into_child_node:
/*
* Convert vcn to index into the index allocation attribute in units
- * of PAGE_CACHE_SIZE and map the page cache page, reading it from
+ * of PAGE_SIZE and map the page cache page, reading it from
* disk if necessary.
*/
page = ntfs_map_page(ia_mapping, vcn <<
- dir_ni->itype.index.vcn_size_bits >> PAGE_CACHE_SHIFT);
+ dir_ni->itype.index.vcn_size_bits >> PAGE_SHIFT);
if (IS_ERR(page)) {
ntfs_error(sb, "Failed to map directory index page, error %ld.",
-PTR_ERR(page));
fast_descend_into_child_node:
/* Get to the index allocation block. */
ia = (INDEX_ALLOCATION*)(kaddr + ((vcn <<
- dir_ni->itype.index.vcn_size_bits) & ~PAGE_CACHE_MASK));
+ dir_ni->itype.index.vcn_size_bits) & ~PAGE_MASK));
/* Bounds checks. */
- if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE) {
+ if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
"inode 0x%lx or driver bug.", dir_ni->mft_no);
goto unm_err_out;
goto unm_err_out;
}
index_end = (u8*)ia + dir_ni->itype.index.block_size;
- if (index_end > kaddr + PAGE_CACHE_SIZE) {
+ if (index_end > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of directory inode "
"0x%lx crosses page boundary. Impossible! "
"Cannot access! This is probably a bug in the "
/* If vcn is in the same page cache page as old_vcn we
* recycle the mapped page. */
if (old_vcn << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT == vcn <<
+ PAGE_SHIFT == vcn <<
vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT)
+ PAGE_SHIFT)
goto fast_descend_into_child_node;
unlock_page(page);
ntfs_unmap_page(page);
descend_into_child_node:
/*
* Convert vcn to index into the index allocation attribute in units
- * of PAGE_CACHE_SIZE and map the page cache page, reading it from
+ * of PAGE_SIZE and map the page cache page, reading it from
* disk if necessary.
*/
page = ntfs_map_page(ia_mapping, vcn <<
- dir_ni->itype.index.vcn_size_bits >> PAGE_CACHE_SHIFT);
+ dir_ni->itype.index.vcn_size_bits >> PAGE_SHIFT);
if (IS_ERR(page)) {
ntfs_error(sb, "Failed to map directory index page, error %ld.",
-PTR_ERR(page));
fast_descend_into_child_node:
/* Get to the index allocation block. */
ia = (INDEX_ALLOCATION*)(kaddr + ((vcn <<
- dir_ni->itype.index.vcn_size_bits) & ~PAGE_CACHE_MASK));
+ dir_ni->itype.index.vcn_size_bits) & ~PAGE_MASK));
/* Bounds checks. */
- if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE) {
+ if ((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
"inode 0x%lx or driver bug.", dir_ni->mft_no);
goto unm_err_out;
goto unm_err_out;
}
index_end = (u8*)ia + dir_ni->itype.index.block_size;
- if (index_end > kaddr + PAGE_CACHE_SIZE) {
+ if (index_end > kaddr + PAGE_SIZE) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of directory inode "
"0x%lx crosses page boundary. Impossible! "
"Cannot access! This is probably a bug in the "
/* If vcn is in the same page cache page as old_vcn we
* recycle the mapped page. */
if (old_vcn << vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT == vcn <<
+ PAGE_SHIFT == vcn <<
vol->cluster_size_bits >>
- PAGE_CACHE_SHIFT)
+ PAGE_SHIFT)
goto fast_descend_into_child_node;
unlock_page(page);
ntfs_unmap_page(page);
goto iput_err_out;
}
/* Get the starting bit position in the current bitmap page. */
- cur_bmp_pos = bmp_pos & ((PAGE_CACHE_SIZE * 8) - 1);
- bmp_pos &= ~(u64)((PAGE_CACHE_SIZE * 8) - 1);
+ cur_bmp_pos = bmp_pos & ((PAGE_SIZE * 8) - 1);
+ bmp_pos &= ~(u64)((PAGE_SIZE * 8) - 1);
get_next_bmp_page:
ntfs_debug("Reading bitmap with page index 0x%llx, bit ofs 0x%llx",
- (unsigned long long)bmp_pos >> (3 + PAGE_CACHE_SHIFT),
+ (unsigned long long)bmp_pos >> (3 + PAGE_SHIFT),
(unsigned long long)bmp_pos &
- (unsigned long long)((PAGE_CACHE_SIZE * 8) - 1));
+ (unsigned long long)((PAGE_SIZE * 8) - 1));
bmp_page = ntfs_map_page(bmp_mapping,
- bmp_pos >> (3 + PAGE_CACHE_SHIFT));
+ bmp_pos >> (3 + PAGE_SHIFT));
if (IS_ERR(bmp_page)) {
ntfs_error(sb, "Reading index bitmap failed.");
err = PTR_ERR(bmp_page);
* If we have reached the end of the bitmap page, get the next
* page, and put away the old one.
*/
- if (unlikely((cur_bmp_pos >> 3) >= PAGE_CACHE_SIZE)) {
+ if (unlikely((cur_bmp_pos >> 3) >= PAGE_SIZE)) {
ntfs_unmap_page(bmp_page);
- bmp_pos += PAGE_CACHE_SIZE * 8;
+ bmp_pos += PAGE_SIZE * 8;
cur_bmp_pos = 0;
goto get_next_bmp_page;
}
ntfs_debug("Handling index buffer 0x%llx.",
(unsigned long long)bmp_pos + cur_bmp_pos);
/* If the current index buffer is in the same page we reuse the page. */
- if ((prev_ia_pos & (s64)PAGE_CACHE_MASK) !=
- (ia_pos & (s64)PAGE_CACHE_MASK)) {
+ if ((prev_ia_pos & (s64)PAGE_MASK) !=
+ (ia_pos & (s64)PAGE_MASK)) {
prev_ia_pos = ia_pos;
if (likely(ia_page != NULL)) {
unlock_page(ia_page);
* Map the page cache page containing the current ia_pos,
* reading it from disk if necessary.
*/
- ia_page = ntfs_map_page(ia_mapping, ia_pos >> PAGE_CACHE_SHIFT);
+ ia_page = ntfs_map_page(ia_mapping, ia_pos >> PAGE_SHIFT);
if (IS_ERR(ia_page)) {
ntfs_error(sb, "Reading index allocation data failed.");
err = PTR_ERR(ia_page);
kaddr = (u8*)page_address(ia_page);
}
/* Get the current index buffer. */
- ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK &
- ~(s64)(ndir->itype.index.block_size - 1)));
+ ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_MASK &
+ ~(s64)(ndir->itype.index.block_size - 1)));
/* Bounds checks. */
- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) {
+ if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_SIZE)) {
ntfs_error(sb, "Out of bounds check failed. Corrupt directory "
"inode 0x%lx or driver bug.", vdir->i_ino);
goto err_out;
goto err_out;
}
index_end = (u8*)ia + ndir->itype.index.block_size;
- if (unlikely(index_end > kaddr + PAGE_CACHE_SIZE)) {
+ if (unlikely(index_end > kaddr + PAGE_SIZE)) {
ntfs_error(sb, "Index buffer (VCN 0x%llx) of directory inode "
"0x%lx crosses page boundary. Impossible! "
"Cannot access! This is probably a bug in the "
err = filemap_write_and_wait_range(vi->i_mapping, start, end);
if (err)
return err;
- mutex_lock(&vi->i_mutex);
+ inode_lock(vi);
BUG_ON(!S_ISDIR(vi->i_mode));
/* If the bitmap attribute inode is in memory sync it, too. */
else
ntfs_warning(vi->i_sb, "Failed to f%ssync inode 0x%lx. Error "
"%u.", datasync ? "data" : "", vi->i_ino, -ret);
- mutex_unlock(&vi->i_mutex);
+ inode_unlock(vi);
return ret;
}
projects / linux-2.6-block.git / blobdiff