diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-07-24 09:15:25 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2019-09-15 22:42:33 +0200 |
| commit | 61b875e88a04fd626e68c657400f237af8afa95e (patch) | |
| tree | 649e05ab656c518c00688ee5fbf4ebfeb49d11e1 | |
| parent | f2538f999345405f7d2e1194c0c8efa4e11f7b3a (diff) | |
jffs2: Remove jffs2_gc_fetch_page and jffs2_gc_release_page
Merge these two helpers into the only callers to get rid of some
amazingly bad calling conventions.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | fs/jffs2/fs.c | 27 | ||||
| -rw-r--r-- | fs/jffs2/gc.c | 21 | ||||
| -rw-r--r-- | fs/jffs2/os-linux.h | 3 |
3 files changed, 13 insertions, 38 deletions
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 8a20ddd25f2d..a3193c0f3a9b 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -678,33 +678,6 @@ struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c, return JFFS2_INODE_INFO(inode); } -unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c, - struct jffs2_inode_info *f, - unsigned long offset, - unsigned long *priv) -{ - struct inode *inode = OFNI_EDONI_2SFFJ(f); - struct page *pg; - - pg = read_cache_page(inode->i_mapping, offset >> PAGE_SHIFT, - jffs2_do_readpage_unlock, inode); - if (IS_ERR(pg)) - return (void *)pg; - - *priv = (unsigned long)pg; - return kmap(pg); -} - -void jffs2_gc_release_page(struct jffs2_sb_info *c, - unsigned char *ptr, - unsigned long *priv) -{ - struct page *pg = (void *)*priv; - - kunmap(pg); - put_page(pg); -} - static int jffs2_flash_setup(struct jffs2_sb_info *c) { int ret = 0; diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c index 9ed0f26cf023..373b3b7c9f44 100644 --- a/fs/jffs2/gc.c +++ b/fs/jffs2/gc.c @@ -1165,12 +1165,13 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era struct jffs2_inode_info *f, struct jffs2_full_dnode *fn, uint32_t start, uint32_t end) { + struct inode *inode = OFNI_EDONI_2SFFJ(f); struct jffs2_full_dnode *new_fn; struct jffs2_raw_inode ri; uint32_t alloclen, offset, orig_end, orig_start; int ret = 0; unsigned char *comprbuf = NULL, *writebuf; - unsigned long pg; + struct page *page; unsigned char *pg_ptr; memset(&ri, 0, sizeof(ri)); @@ -1325,15 +1326,18 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era * end up here trying to GC the *same* page that jffs2_write_begin() is * trying to write out, read_cache_page() will not deadlock. */ mutex_unlock(&f->sem); - pg_ptr = jffs2_gc_fetch_page(c, f, start, &pg); - mutex_lock(&f->sem); - - if (IS_ERR(pg_ptr)) { + page = read_cache_page(inode->i_mapping, start >> PAGE_SHIFT, + jffs2_do_readpage_unlock, inode); + if (IS_ERR(page)) { pr_warn("read_cache_page() returned error: %ld\n", - PTR_ERR(pg_ptr)); - return PTR_ERR(pg_ptr); + PTR_ERR(page)); + mutex_lock(&f->sem); + return PTR_ERR(page); } + pg_ptr = kmap(page); + mutex_lock(&f->sem); + offset = start; while(offset < orig_end) { uint32_t datalen; @@ -1396,6 +1400,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era } } - jffs2_gc_release_page(c, pg_ptr, &pg); + kunmap(page); + put_page(page); return ret; } diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index bd3d5f0ddc34..f4895dda26a3 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -183,9 +183,6 @@ unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c, struct jffs2_inode_info *f, unsigned long offset, unsigned long *priv); -void jffs2_gc_release_page(struct jffs2_sb_info *c, - unsigned char *pg, - unsigned long *priv); void jffs2_flash_cleanup(struct jffs2_sb_info *c); |