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Changes since last update: 

- Fix LZMA decompression failure on HIGHMEM platforms;
 
  - Revert an inproper fix since it is actually an implementation
    issue of vmalloc();
 
  - Avoid a wrong DBG_BUGON since it could be triggered with -EINTR;
 
  - Minor cleanups.
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Merge tag 'erofs-for-6.3-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs fixes from Gao Xiang:
 "The most important one reverts an improper fix which can cause an
  unexpected warning more often on specific images, and another one
  fixes LZMA decompression on 32-bit platforms. The others are minor
  fixes and cleanups.

   - Fix LZMA decompression failure on HIGHMEM platforms

   - Revert an inproper fix since it is actually an implementation issue
     of vmalloc()

   - Avoid a wrong DBG_BUGON since it could be triggered with -EINTR

   - Minor cleanups"

* tag 'erofs-for-6.3-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: use wrapper i_blocksize() in erofs_file_read_iter()
  erofs: get rid of a useless DBG_BUGON
  erofs: Revert "erofs: fix kvcalloc() misuse with __GFP_NOFAIL"
  erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
  erofs: mark z_erofs_lzma_init/erofs_pcpubuf_init w/ __init
This commit is contained in:
Linus Torvalds 2023-03-10 08:51:57 -08:00
parent 92cadfcffa 3993f4f456
commit 388a810192
6 changed files with 12 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/erofs/data.c
View File

@ -376,7 +376,7 @@ static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
if (bdev)
blksize_mask = bdev_logical_block_size(bdev) - 1;
else
blksize_mask = (1 << inode->i_blkbits) - 1;
blksize_mask = i_blocksize(inode) - 1;
if ((iocb->ki_pos | iov_iter_count(to) |
iov_iter_alignment(to)) & blksize_mask)

4
fs/erofs/decompressor_lzma.c
View File

@ -47,7 +47,7 @@ void z_erofs_lzma_exit(void)
}
}
int z_erofs_lzma_init(void)
int __init z_erofs_lzma_init(void)
{
unsigned int i;
@ -278,7 +278,7 @@ again:
}
}
if (no < nrpages_out && strm->buf.out)
kunmap(rq->in[no]);
kunmap(rq->out[no]);
if (ni < nrpages_in)
kunmap(rq->in[ni]);
/* 4. push back LZMA stream context to the global list */

4
fs/erofs/internal.h
View File

@ -486,7 +486,7 @@ static inline void *erofs_vm_map_ram(struct page **pages, unsigned int count)
void *erofs_get_pcpubuf(unsigned int requiredpages);
void erofs_put_pcpubuf(void *ptr);
int erofs_pcpubuf_growsize(unsigned int nrpages);
void erofs_pcpubuf_init(void);
void __init erofs_pcpubuf_init(void);
void erofs_pcpubuf_exit(void);
int erofs_register_sysfs(struct super_block *sb);
@ -545,7 +545,7 @@ static inline int z_erofs_fill_inode(struct inode *inode) { return -EOPNOTSUPP;
#endif /* !CONFIG_EROFS_FS_ZIP */
#ifdef CONFIG_EROFS_FS_ZIP_LZMA
int z_erofs_lzma_init(void);
int __init z_erofs_lzma_init(void);
void z_erofs_lzma_exit(void);
int z_erofs_load_lzma_config(struct super_block *sb,
struct erofs_super_block *dsb,

2
fs/erofs/pcpubuf.c
View File

@ -114,7 +114,7 @@ out:
return ret;
}
void erofs_pcpubuf_init(void)
void __init erofs_pcpubuf_init(void)
{
int cpu;

12
fs/erofs/zdata.c
View File

@ -1312,12 +1312,12 @@ static int z_erofs_decompress_pcluster(struct z_erofs_decompress_backend *be,
if (!be->decompressed_pages)
be->decompressed_pages =
kcalloc(be->nr_pages, sizeof(struct page *),
GFP_KERNEL | __GFP_NOFAIL);
kvcalloc(be->nr_pages, sizeof(struct page *),
GFP_KERNEL | __GFP_NOFAIL);
if (!be->compressed_pages)
be->compressed_pages =
kcalloc(pclusterpages, sizeof(struct page *),
GFP_KERNEL | __GFP_NOFAIL);
kvcalloc(pclusterpages, sizeof(struct page *),
GFP_KERNEL | __GFP_NOFAIL);
z_erofs_parse_out_bvecs(be);
err2 = z_erofs_parse_in_bvecs(be, &overlapped);
@ -1365,7 +1365,7 @@ out:
}
if (be->compressed_pages < be->onstack_pages ||
be->compressed_pages >= be->onstack_pages + Z_EROFS_ONSTACK_PAGES)
kfree(be->compressed_pages);
kvfree(be->compressed_pages);
z_erofs_fill_other_copies(be, err);
for (i = 0; i < be->nr_pages; ++i) {
@ -1384,7 +1384,7 @@ out:
}
if (be->decompressed_pages != be->onstack_pages)
kfree(be->decompressed_pages);
kvfree(be->decompressed_pages);
pcl->length = 0;
pcl->partial = true;

3
fs/erofs/zmap.c
View File

@ -757,9 +757,6 @@ int z_erofs_map_blocks_iter(struct inode *inode, struct erofs_map_blocks *map,
err = z_erofs_do_map_blocks(inode, map, flags);
out:
trace_z_erofs_map_blocks_iter_exit(inode, map, flags, err);
/* aggressively BUG_ON iff CONFIG_EROFS_FS_DEBUG is on */
DBG_BUGON(err < 0 && err != -ENOMEM);
return err;
}