mirror of
https://github.com/Fishwaldo/Star64_linux.git
synced 2025-03-16 04:04:06 +00:00
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmOXWlMACgkQnJ2qBz9k QNltfwf9GIEZASzX/v2LXYInbgvJnuRxeNoNFDZjatz+Nk17fJ9P0Fzcu7OztMTk +4HX3pxXYn/eFTyxVf5c3C2gU4KDV2InrYk+IyA7unZ92ROO5uaxrrknSPouYXoO fd0zwlMQ8bxk7wgjSnG+0Q38dbWr9XgYRqcURjXvRG9e68o49SXTc333lXc+l25X WphjDK6d1gXWiHKdYVYiROF7HjAjaeRk8clXtFhHmyGvhi+wvfP6mqOhzMCRuR7U M1dYR/B2+AJieOmVK1gqsLFc2f/TN3AEYMsRi256vYEuQhY7WRkxQw6afmYsLc8J sjj4mR15SwZewLtIlNbX3phvi1OBWA== =Q4qw -----END PGP SIGNATURE----- Merge tag 'fixes_for_v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull udf and ext2 fixes from Jan Kara: - a couple of smaller cleanups and fixes for ext2 - fixes of a data corruption issues in udf when handling holes and preallocation extents - fixes and cleanups of several smaller issues in udf - add maintainer entry for isofs * tag 'fixes_for_v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix extending file within last block udf: Discard preallocation before extending file with a hole udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size udf: Fix preallocation discarding at indirect extent boundary udf: Increase UDF_MAX_READ_VERSION to 0x0260 fs/ext2: Fix code indentation ext2: unbugger ext2_empty_dir() udf: remove ->writepage ext2: remove ->writepage ext2: Don't flush page immediately for DIRSYNC directories ext2: Fix some kernel-doc warnings maintainers: Add ISOFS entry udf: Avoid double brelse() in udf_rename() fs: udf: Optimize udf_free_in_core_inode and udf_find_fileset function
This commit is contained in:
Linus Torvalds
commit
cda6a60acc
10 changed files with 98 additions and 119 deletions
|
|
@ -10925,6 +10925,13 @@ F: drivers/isdn/Makefile
|
|||
F: drivers/isdn/hardware/
|
||||
F: drivers/isdn/mISDN/
|
||||
|
||||
ISOFS FILESYSTEM
|
||||
M: Jan Kara <jack@suse.cz>
|
||||
L: linux-fsdevel@vger.kernel.org
|
||||
S: Maintained
|
||||
F: Documentation/filesystems/isofs.rst
|
||||
F: fs/isofs/
|
||||
|
||||
IT87 HARDWARE MONITORING DRIVER
|
||||
M: Jean Delvare <jdelvare@suse.com>
|
||||
L: linux-hwmon@vger.kernel.org
|
||||
|
|
|
|||
|
|
@ -667,7 +667,7 @@ ext2_try_to_allocate(struct super_block *sb, int group,
|
|||
{
|
||||
ext2_fsblk_t group_first_block = ext2_group_first_block_no(sb, group);
|
||||
ext2_fsblk_t group_last_block = ext2_group_last_block_no(sb, group);
|
||||
ext2_grpblk_t start, end;
|
||||
ext2_grpblk_t start, end;
|
||||
unsigned long num = 0;
|
||||
|
||||
start = 0;
|
||||
|
|
@ -1481,11 +1481,11 @@ unsigned long ext2_count_free_blocks (struct super_block * sb)
|
|||
desc_count, bitmap_count);
|
||||
return bitmap_count;
|
||||
#else
|
||||
for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {
|
||||
desc = ext2_get_group_desc (sb, i, NULL);
|
||||
if (!desc)
|
||||
continue;
|
||||
desc_count += le16_to_cpu(desc->bg_free_blocks_count);
|
||||
for (i = 0; i < EXT2_SB(sb)->s_groups_count; i++) {
|
||||
desc = ext2_get_group_desc(sb, i, NULL);
|
||||
if (!desc)
|
||||
continue;
|
||||
desc_count += le16_to_cpu(desc->bg_free_blocks_count);
|
||||
}
|
||||
return desc_count;
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -81,11 +81,10 @@ ext2_last_byte(struct inode *inode, unsigned long page_nr)
|
|||
return last_byte;
|
||||
}
|
||||
|
||||
static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
|
||||
static void ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
|
||||
{
|
||||
struct address_space *mapping = page->mapping;
|
||||
struct inode *dir = mapping->host;
|
||||
int err = 0;
|
||||
|
||||
inode_inc_iversion(dir);
|
||||
block_write_end(NULL, mapping, pos, len, len, page, NULL);
|
||||
|
|
@ -94,16 +93,7 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
|
|||
i_size_write(dir, pos+len);
|
||||
mark_inode_dirty(dir);
|
||||
}
|
||||
|
||||
if (IS_DIRSYNC(dir)) {
|
||||
err = write_one_page(page);
|
||||
if (!err)
|
||||
err = sync_inode_metadata(dir, 1);
|
||||
} else {
|
||||
unlock_page(page);
|
||||
}
|
||||
|
||||
return err;
|
||||
unlock_page(page);
|
||||
}
|
||||
|
||||
static bool ext2_check_page(struct page *page, int quiet, char *kaddr)
|
||||
|
|
@ -413,7 +403,7 @@ found:
|
|||
return de;
|
||||
}
|
||||
|
||||
/**
|
||||
/*
|
||||
* Return the '..' directory entry and the page in which the entry was found
|
||||
* (as a parameter - p).
|
||||
*
|
||||
|
|
@ -460,6 +450,17 @@ static int ext2_prepare_chunk(struct page *page, loff_t pos, unsigned len)
|
|||
return __block_write_begin(page, pos, len, ext2_get_block);
|
||||
}
|
||||
|
||||
|
||||
static int ext2_handle_dirsync(struct inode *dir)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = filemap_write_and_wait(dir->i_mapping);
|
||||
if (!err)
|
||||
err = sync_inode_metadata(dir, 1);
|
||||
return err;
|
||||
}
|
||||
|
||||
void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
|
||||
struct page *page, void *page_addr, struct inode *inode,
|
||||
int update_times)
|
||||
|
|
@ -474,11 +475,12 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
|
|||
BUG_ON(err);
|
||||
de->inode = cpu_to_le32(inode->i_ino);
|
||||
ext2_set_de_type(de, inode);
|
||||
err = ext2_commit_chunk(page, pos, len);
|
||||
ext2_commit_chunk(page, pos, len);
|
||||
if (update_times)
|
||||
dir->i_mtime = dir->i_ctime = current_time(dir);
|
||||
EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;
|
||||
mark_inode_dirty(dir);
|
||||
ext2_handle_dirsync(dir);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -566,10 +568,11 @@ got_it:
|
|||
memcpy(de->name, name, namelen);
|
||||
de->inode = cpu_to_le32(inode->i_ino);
|
||||
ext2_set_de_type (de, inode);
|
||||
err = ext2_commit_chunk(page, pos, rec_len);
|
||||
ext2_commit_chunk(page, pos, rec_len);
|
||||
dir->i_mtime = dir->i_ctime = current_time(dir);
|
||||
EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL;
|
||||
mark_inode_dirty(dir);
|
||||
err = ext2_handle_dirsync(dir);
|
||||
/* OFFSET_CACHE */
|
||||
out_put:
|
||||
ext2_put_page(page, page_addr);
|
||||
|
|
@ -615,10 +618,11 @@ int ext2_delete_entry (struct ext2_dir_entry_2 *dir, struct page *page,
|
|||
if (pde)
|
||||
pde->rec_len = ext2_rec_len_to_disk(to - from);
|
||||
dir->inode = 0;
|
||||
err = ext2_commit_chunk(page, pos, to - from);
|
||||
ext2_commit_chunk(page, pos, to - from);
|
||||
inode->i_ctime = inode->i_mtime = current_time(inode);
|
||||
EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL;
|
||||
mark_inode_dirty(inode);
|
||||
err = ext2_handle_dirsync(inode);
|
||||
out:
|
||||
return err;
|
||||
}
|
||||
|
|
@ -658,7 +662,8 @@ int ext2_make_empty(struct inode *inode, struct inode *parent)
|
|||
memcpy (de->name, "..\0", 4);
|
||||
ext2_set_de_type (de, inode);
|
||||
kunmap_atomic(kaddr);
|
||||
err = ext2_commit_chunk(page, 0, chunk_size);
|
||||
ext2_commit_chunk(page, 0, chunk_size);
|
||||
err = ext2_handle_dirsync(inode);
|
||||
fail:
|
||||
put_page(page);
|
||||
return err;
|
||||
|
|
@ -679,7 +684,7 @@ int ext2_empty_dir (struct inode * inode)
|
|||
page = ext2_get_page(inode, i, 0, &page_addr);
|
||||
|
||||
if (IS_ERR(page))
|
||||
goto not_empty;
|
||||
return 0;
|
||||
|
||||
kaddr = page_addr;
|
||||
de = (ext2_dirent *)kaddr;
|
||||
|
|
|
|||
|
|
@ -869,11 +869,6 @@ int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int ext2_writepage(struct page *page, struct writeback_control *wbc)
|
||||
{
|
||||
return block_write_full_page(page, ext2_get_block, wbc);
|
||||
}
|
||||
|
||||
static int ext2_read_folio(struct file *file, struct folio *folio)
|
||||
{
|
||||
return mpage_read_folio(folio, ext2_get_block);
|
||||
|
|
@ -948,7 +943,6 @@ const struct address_space_operations ext2_aops = {
|
|||
.invalidate_folio = block_invalidate_folio,
|
||||
.read_folio = ext2_read_folio,
|
||||
.readahead = ext2_readahead,
|
||||
.writepage = ext2_writepage,
|
||||
.write_begin = ext2_write_begin,
|
||||
.write_end = ext2_write_end,
|
||||
.bmap = ext2_bmap,
|
||||
|
|
|
|||
|
|
@ -1648,7 +1648,7 @@ static int __init init_ext2_fs(void)
|
|||
err = init_inodecache();
|
||||
if (err)
|
||||
return err;
|
||||
err = register_filesystem(&ext2_fs_type);
|
||||
err = register_filesystem(&ext2_fs_type);
|
||||
if (err)
|
||||
goto out;
|
||||
return 0;
|
||||
|
|
|
|||
|
|
@ -182,11 +182,6 @@ static void udf_write_failed(struct address_space *mapping, loff_t to)
|
|||
}
|
||||
}
|
||||
|
||||
static int udf_writepage(struct page *page, struct writeback_control *wbc)
|
||||
{
|
||||
return block_write_full_page(page, udf_get_block, wbc);
|
||||
}
|
||||
|
||||
static int udf_writepages(struct address_space *mapping,
|
||||
struct writeback_control *wbc)
|
||||
{
|
||||
|
|
@ -239,12 +234,12 @@ const struct address_space_operations udf_aops = {
|
|||
.invalidate_folio = block_invalidate_folio,
|
||||
.read_folio = udf_read_folio,
|
||||
.readahead = udf_readahead,
|
||||
.writepage = udf_writepage,
|
||||
.writepages = udf_writepages,
|
||||
.write_begin = udf_write_begin,
|
||||
.write_end = generic_write_end,
|
||||
.direct_IO = udf_direct_IO,
|
||||
.bmap = udf_bmap,
|
||||
.migrate_folio = buffer_migrate_folio,
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
@ -439,6 +434,12 @@ static int udf_get_block(struct inode *inode, sector_t block,
|
|||
iinfo->i_next_alloc_goal++;
|
||||
}
|
||||
|
||||
/*
|
||||
* Block beyond EOF and prealloc extents? Just discard preallocation
|
||||
* as it is not useful and complicates things.
|
||||
*/
|
||||
if (((loff_t)block) << inode->i_blkbits > iinfo->i_lenExtents)
|
||||
udf_discard_prealloc(inode);
|
||||
udf_clear_extent_cache(inode);
|
||||
phys = inode_getblk(inode, block, &err, &new);
|
||||
if (!phys)
|
||||
|
|
@ -488,8 +489,6 @@ static int udf_do_extend_file(struct inode *inode,
|
|||
uint32_t add;
|
||||
int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
|
||||
struct super_block *sb = inode->i_sb;
|
||||
struct kernel_lb_addr prealloc_loc = {};
|
||||
uint32_t prealloc_len = 0;
|
||||
struct udf_inode_info *iinfo;
|
||||
int err;
|
||||
|
||||
|
|
@ -510,19 +509,6 @@ static int udf_do_extend_file(struct inode *inode,
|
|||
~(sb->s_blocksize - 1);
|
||||
}
|
||||
|
||||
/* Last extent are just preallocated blocks? */
|
||||
if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
|
||||
EXT_NOT_RECORDED_ALLOCATED) {
|
||||
/* Save the extent so that we can reattach it to the end */
|
||||
prealloc_loc = last_ext->extLocation;
|
||||
prealloc_len = last_ext->extLength;
|
||||
/* Mark the extent as a hole */
|
||||
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
|
||||
(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
|
||||
last_ext->extLocation.logicalBlockNum = 0;
|
||||
last_ext->extLocation.partitionReferenceNum = 0;
|
||||
}
|
||||
|
||||
/* Can we merge with the previous extent? */
|
||||
if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
|
||||
EXT_NOT_RECORDED_NOT_ALLOCATED) {
|
||||
|
|
@ -550,7 +536,7 @@ static int udf_do_extend_file(struct inode *inode,
|
|||
* more extents, we may need to enter possible following
|
||||
* empty indirect extent.
|
||||
*/
|
||||
if (new_block_bytes || prealloc_len)
|
||||
if (new_block_bytes)
|
||||
udf_next_aext(inode, last_pos, &tmploc, &tmplen, 0);
|
||||
}
|
||||
|
||||
|
|
@ -584,17 +570,6 @@ static int udf_do_extend_file(struct inode *inode,
|
|||
}
|
||||
|
||||
out:
|
||||
/* Do we have some preallocated blocks saved? */
|
||||
if (prealloc_len) {
|
||||
err = udf_add_aext(inode, last_pos, &prealloc_loc,
|
||||
prealloc_len, 1);
|
||||
if (err)
|
||||
return err;
|
||||
last_ext->extLocation = prealloc_loc;
|
||||
last_ext->extLength = prealloc_len;
|
||||
count++;
|
||||
}
|
||||
|
||||
/* last_pos should point to the last written extent... */
|
||||
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
|
||||
last_pos->offset -= sizeof(struct short_ad);
|
||||
|
|
@ -610,13 +585,17 @@ out:
|
|||
static void udf_do_extend_final_block(struct inode *inode,
|
||||
struct extent_position *last_pos,
|
||||
struct kernel_long_ad *last_ext,
|
||||
uint32_t final_block_len)
|
||||
uint32_t new_elen)
|
||||
{
|
||||
struct super_block *sb = inode->i_sb;
|
||||
uint32_t added_bytes;
|
||||
|
||||
added_bytes = final_block_len -
|
||||
(last_ext->extLength & (sb->s_blocksize - 1));
|
||||
/*
|
||||
* Extent already large enough? It may be already rounded up to block
|
||||
* size...
|
||||
*/
|
||||
if (new_elen <= (last_ext->extLength & UDF_EXTENT_LENGTH_MASK))
|
||||
return;
|
||||
added_bytes = (last_ext->extLength & UDF_EXTENT_LENGTH_MASK) - new_elen;
|
||||
last_ext->extLength += added_bytes;
|
||||
UDF_I(inode)->i_lenExtents += added_bytes;
|
||||
|
||||
|
|
@ -633,12 +612,12 @@ static int udf_extend_file(struct inode *inode, loff_t newsize)
|
|||
int8_t etype;
|
||||
struct super_block *sb = inode->i_sb;
|
||||
sector_t first_block = newsize >> sb->s_blocksize_bits, offset;
|
||||
unsigned long partial_final_block;
|
||||
loff_t new_elen;
|
||||
int adsize;
|
||||
struct udf_inode_info *iinfo = UDF_I(inode);
|
||||
struct kernel_long_ad extent;
|
||||
int err = 0;
|
||||
int within_final_block;
|
||||
bool within_last_ext;
|
||||
|
||||
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
|
||||
adsize = sizeof(struct short_ad);
|
||||
|
|
@ -647,8 +626,17 @@ static int udf_extend_file(struct inode *inode, loff_t newsize)
|
|||
else
|
||||
BUG();
|
||||
|
||||
/*
|
||||
* When creating hole in file, just don't bother with preserving
|
||||
* preallocation. It likely won't be very useful anyway.
|
||||
*/
|
||||
udf_discard_prealloc(inode);
|
||||
|
||||
etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);
|
||||
within_final_block = (etype != -1);
|
||||
within_last_ext = (etype != -1);
|
||||
/* We don't expect extents past EOF... */
|
||||
WARN_ON_ONCE(within_last_ext &&
|
||||
elen > ((loff_t)offset + 1) << inode->i_blkbits);
|
||||
|
||||
if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||
|
||||
(epos.bh && epos.offset == sizeof(struct allocExtDesc))) {
|
||||
|
|
@ -664,19 +652,17 @@ static int udf_extend_file(struct inode *inode, loff_t newsize)
|
|||
extent.extLength |= etype << 30;
|
||||
}
|
||||
|
||||
partial_final_block = newsize & (sb->s_blocksize - 1);
|
||||
new_elen = ((loff_t)offset << inode->i_blkbits) |
|
||||
(newsize & (sb->s_blocksize - 1));
|
||||
|
||||
/* File has extent covering the new size (could happen when extending
|
||||
* inside a block)?
|
||||
*/
|
||||
if (within_final_block) {
|
||||
if (within_last_ext) {
|
||||
/* Extending file within the last file block */
|
||||
udf_do_extend_final_block(inode, &epos, &extent,
|
||||
partial_final_block);
|
||||
udf_do_extend_final_block(inode, &epos, &extent, new_elen);
|
||||
} else {
|
||||
loff_t add = ((loff_t)offset << sb->s_blocksize_bits) |
|
||||
partial_final_block;
|
||||
err = udf_do_extend_file(inode, &epos, &extent, add);
|
||||
err = udf_do_extend_file(inode, &epos, &extent, new_elen);
|
||||
}
|
||||
|
||||
if (err < 0)
|
||||
|
|
@ -777,10 +763,11 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
|
|||
goto out_free;
|
||||
}
|
||||
|
||||
/* Are we beyond EOF? */
|
||||
/* Are we beyond EOF and preallocated extent? */
|
||||
if (etype == -1) {
|
||||
int ret;
|
||||
loff_t hole_len;
|
||||
|
||||
isBeyondEOF = true;
|
||||
if (count) {
|
||||
if (c)
|
||||
|
|
|
|||
|
|
@ -1091,8 +1091,9 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
|
|||
return -EINVAL;
|
||||
|
||||
ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
|
||||
if (IS_ERR(ofi)) {
|
||||
retval = PTR_ERR(ofi);
|
||||
if (!ofi || IS_ERR(ofi)) {
|
||||
if (IS_ERR(ofi))
|
||||
retval = PTR_ERR(ofi);
|
||||
goto end_rename;
|
||||
}
|
||||
|
||||
|
|
@ -1101,8 +1102,7 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir,
|
|||
|
||||
brelse(ofibh.sbh);
|
||||
tloc = lelb_to_cpu(ocfi.icb.extLocation);
|
||||
if (!ofi || udf_get_lb_pblock(old_dir->i_sb, &tloc, 0)
|
||||
!= old_inode->i_ino)
|
||||
if (udf_get_lb_pblock(old_dir->i_sb, &tloc, 0) != old_inode->i_ino)
|
||||
goto end_rename;
|
||||
|
||||
nfi = udf_find_entry(new_dir, &new_dentry->d_name, &nfibh, &ncfi);
|
||||
|
|
|
|||
|
|
@ -162,7 +162,7 @@ static void udf_free_in_core_inode(struct inode *inode)
|
|||
|
||||
static void init_once(void *foo)
|
||||
{
|
||||
struct udf_inode_info *ei = (struct udf_inode_info *)foo;
|
||||
struct udf_inode_info *ei = foo;
|
||||
|
||||
ei->i_data = NULL;
|
||||
inode_init_once(&ei->vfs_inode);
|
||||
|
|
@ -820,7 +820,7 @@ static int udf_find_fileset(struct super_block *sb,
|
|||
struct kernel_lb_addr *fileset,
|
||||
struct kernel_lb_addr *root)
|
||||
{
|
||||
struct buffer_head *bh = NULL;
|
||||
struct buffer_head *bh;
|
||||
uint16_t ident;
|
||||
int ret;
|
||||
|
||||
|
|
|
|||
|
|
@ -120,60 +120,42 @@ void udf_truncate_tail_extent(struct inode *inode)
|
|||
|
||||
void udf_discard_prealloc(struct inode *inode)
|
||||
{
|
||||
struct extent_position epos = { NULL, 0, {0, 0} };
|
||||
struct extent_position epos = {};
|
||||
struct extent_position prev_epos = {};
|
||||
struct kernel_lb_addr eloc;
|
||||
uint32_t elen;
|
||||
uint64_t lbcount = 0;
|
||||
int8_t etype = -1, netype;
|
||||
int adsize;
|
||||
struct udf_inode_info *iinfo = UDF_I(inode);
|
||||
int bsize = 1 << inode->i_blkbits;
|
||||
|
||||
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB ||
|
||||
inode->i_size == iinfo->i_lenExtents)
|
||||
ALIGN(inode->i_size, bsize) == ALIGN(iinfo->i_lenExtents, bsize))
|
||||
return;
|
||||
|
||||
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
|
||||
adsize = sizeof(struct short_ad);
|
||||
else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
|
||||
adsize = sizeof(struct long_ad);
|
||||
else
|
||||
adsize = 0;
|
||||
|
||||
epos.block = iinfo->i_location;
|
||||
|
||||
/* Find the last extent in the file */
|
||||
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
|
||||
etype = netype;
|
||||
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 0)) != -1) {
|
||||
brelse(prev_epos.bh);
|
||||
prev_epos = epos;
|
||||
if (prev_epos.bh)
|
||||
get_bh(prev_epos.bh);
|
||||
|
||||
etype = udf_next_aext(inode, &epos, &eloc, &elen, 1);
|
||||
lbcount += elen;
|
||||
}
|
||||
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
|
||||
epos.offset -= adsize;
|
||||
lbcount -= elen;
|
||||
extent_trunc(inode, &epos, &eloc, etype, elen, 0);
|
||||
if (!epos.bh) {
|
||||
iinfo->i_lenAlloc =
|
||||
epos.offset -
|
||||
udf_file_entry_alloc_offset(inode);
|
||||
mark_inode_dirty(inode);
|
||||
} else {
|
||||
struct allocExtDesc *aed =
|
||||
(struct allocExtDesc *)(epos.bh->b_data);
|
||||
aed->lengthAllocDescs =
|
||||
cpu_to_le32(epos.offset -
|
||||
sizeof(struct allocExtDesc));
|
||||
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
|
||||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
|
||||
udf_update_tag(epos.bh->b_data, epos.offset);
|
||||
else
|
||||
udf_update_tag(epos.bh->b_data,
|
||||
sizeof(struct allocExtDesc));
|
||||
mark_buffer_dirty_inode(epos.bh, inode);
|
||||
}
|
||||
udf_delete_aext(inode, prev_epos);
|
||||
udf_free_blocks(inode->i_sb, inode, &eloc, 0,
|
||||
DIV_ROUND_UP(elen, 1 << inode->i_blkbits));
|
||||
}
|
||||
/* This inode entry is in-memory only and thus we don't have to mark
|
||||
* the inode dirty */
|
||||
iinfo->i_lenExtents = lbcount;
|
||||
brelse(epos.bh);
|
||||
brelse(prev_epos.bh);
|
||||
}
|
||||
|
||||
static void udf_update_alloc_ext_desc(struct inode *inode,
|
||||
|
|
|
|||
|
|
@ -6,7 +6,11 @@
|
|||
#include <linux/bitops.h>
|
||||
#include <linux/magic.h>
|
||||
|
||||
#define UDF_MAX_READ_VERSION 0x0250
|
||||
/*
|
||||
* Even UDF 2.6 media should have version <= 0x250 but apparently there are
|
||||
* some broken filesystems with version set to 0x260. Accommodate those.
|
||||
*/
|
||||
#define UDF_MAX_READ_VERSION 0x0260
|
||||
#define UDF_MAX_WRITE_VERSION 0x0201
|
||||
|
||||
#define UDF_FLAG_USE_EXTENDED_FE 0
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue