diff options
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/Kconfig | 3 | ||||
-rw-r--r-- | fs/jffs2/background.c | 4 | ||||
-rw-r--r-- | fs/jffs2/debug.c | 2 | ||||
-rw-r--r-- | fs/jffs2/dir.c | 35 | ||||
-rw-r--r-- | fs/jffs2/erase.c | 4 | ||||
-rw-r--r-- | fs/jffs2/file.c | 106 | ||||
-rw-r--r-- | fs/jffs2/fs.c | 20 | ||||
-rw-r--r-- | fs/jffs2/gc.c | 25 | ||||
-rw-r--r-- | fs/jffs2/malloc.c | 32 | ||||
-rw-r--r-- | fs/jffs2/nodemgmt.c | 24 | ||||
-rw-r--r-- | fs/jffs2/os-linux.h | 4 | ||||
-rw-r--r-- | fs/jffs2/scan.c | 4 | ||||
-rw-r--r-- | fs/jffs2/summary.c | 7 | ||||
-rw-r--r-- | fs/jffs2/super.c | 3 | ||||
-rw-r--r-- | fs/jffs2/xattr.c | 2 | ||||
-rw-r--r-- | fs/jffs2/xattr.h | 2 |
16 files changed, 135 insertions, 142 deletions
diff --git a/fs/jffs2/Kconfig b/fs/jffs2/Kconfig index 7c96bc107218..560187d61562 100644 --- a/fs/jffs2/Kconfig +++ b/fs/jffs2/Kconfig @@ -151,8 +151,9 @@ config JFFS2_RUBIN RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure. choice - prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS + prompt "JFFS2 default compression mode" default JFFS2_CMODE_PRIORITY + depends on JFFS2_COMPRESSION_OPTIONS depends on JFFS2_FS help You can set here the default compression mode of JFFS2 from diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c index 6da92ecaf66d..bb0ee1a59e71 100644 --- a/fs/jffs2/background.c +++ b/fs/jffs2/background.c @@ -44,8 +44,8 @@ int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c) tsk = kthread_run(jffs2_garbage_collect_thread, c, "jffs2_gcd_mtd%d", c->mtd->index); if (IS_ERR(tsk)) { - pr_warn("fork failed for JFFS2 garbage collect thread: %ld\n", - -PTR_ERR(tsk)); + pr_warn("fork failed for JFFS2 garbage collect thread: %pe\n", + tsk); complete(&c->gc_thread_exit); ret = PTR_ERR(tsk); } else { diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c index 9d26b1b9fc01..0925caab23c4 100644 --- a/fs/jffs2/debug.c +++ b/fs/jffs2/debug.c @@ -157,7 +157,7 @@ __jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, kfree(buf); } -void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c) +static void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c) { struct jffs2_eraseblock *jeb; uint32_t free = 0, dirty = 0, used = 0, wasted = 0, diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 091ab0eaabbe..2b2938970da3 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -204,8 +204,8 @@ static int jffs2_create(struct mnt_idmap *idmap, struct inode *dir_i, if (ret) goto fail; - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, - ITIME(je32_to_cpu(ri->ctime))); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(je32_to_cpu(ri->ctime)))); jffs2_free_raw_inode(ri); @@ -238,7 +238,8 @@ static int jffs2_unlink(struct inode *dir_i, struct dentry *dentry) if (dead_f->inocache) set_nlink(d_inode(dentry), dead_f->inocache->pino_nlink); if (!ret) - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(now))); return ret; } /***********************************************************************/ @@ -272,7 +273,8 @@ static int jffs2_link (struct dentry *old_dentry, struct inode *dir_i, struct de set_nlink(d_inode(old_dentry), ++f->inocache->pino_nlink); mutex_unlock(&f->sem); d_instantiate(dentry, d_inode(old_dentry)); - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(now))); ihold(d_inode(old_dentry)); } return ret; @@ -423,8 +425,8 @@ static int jffs2_symlink (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, - ITIME(je32_to_cpu(rd->mctime))); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(je32_to_cpu(rd->mctime)))); jffs2_free_raw_dirent(rd); @@ -568,8 +570,8 @@ static int jffs2_mkdir (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, - ITIME(je32_to_cpu(rd->mctime))); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(je32_to_cpu(rd->mctime)))); inc_nlink(dir_i); jffs2_free_raw_dirent(rd); @@ -610,7 +612,8 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry) ret = jffs2_do_unlink(c, dir_f, dentry->d_name.name, dentry->d_name.len, f, now); if (!ret) { - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, ITIME(now)); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(now))); clear_nlink(d_inode(dentry)); drop_nlink(dir_i); } @@ -746,8 +749,8 @@ static int jffs2_mknod (struct mnt_idmap *idmap, struct inode *dir_i, goto fail; } - dir_i->i_mtime = inode_set_ctime_to_ts(dir_i, - ITIME(je32_to_cpu(rd->mctime))); + inode_set_mtime_to_ts(dir_i, + inode_set_ctime_to_ts(dir_i, ITIME(je32_to_cpu(rd->mctime)))); jffs2_free_raw_dirent(rd); @@ -868,16 +871,18 @@ static int jffs2_rename (struct mnt_idmap *idmap, * caller won't do it on its own since we are returning an error. */ d_invalidate(new_dentry); - new_dir_i->i_mtime = inode_set_ctime_to_ts(new_dir_i, - ITIME(now)); + inode_set_mtime_to_ts(new_dir_i, + inode_set_ctime_to_ts(new_dir_i, ITIME(now))); return ret; } if (d_is_dir(old_dentry)) drop_nlink(old_dir_i); - old_dir_i->i_mtime = inode_set_ctime_to_ts(old_dir_i, ITIME(now)); - new_dir_i->i_mtime = inode_set_ctime_to_ts(new_dir_i, ITIME(now)); + inode_set_mtime_to_ts(old_dir_i, + inode_set_ctime_to_ts(old_dir_i, ITIME(now))); + inode_set_mtime_to_ts(new_dir_i, + inode_set_ctime_to_ts(new_dir_i, ITIME(now))); return 0; } diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index ef3a1e1b6cb0..fda9f4d6093f 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -425,7 +425,9 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb .totlen = cpu_to_je32(c->cleanmarker_size) }; - jffs2_prealloc_raw_node_refs(c, jeb, 1); + ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); + if (ret) + goto filebad; marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4)); diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 11c66793960e..13c18ccc13b0 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -23,10 +23,10 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, - struct page *pg, void *fsdata); + struct folio *folio, void *fsdata); static int jffs2_write_begin(struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, - struct page **pagep, void **fsdata); + struct folio **foliop, void **fsdata); static int jffs2_read_folio(struct file *filp, struct folio *folio); int jffs2_fsync(struct file *filp, loff_t start, loff_t end, int datasync) @@ -77,34 +77,27 @@ const struct address_space_operations jffs2_file_address_operations = .write_end = jffs2_write_end, }; -static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg) +static int jffs2_do_readpage_nolock(struct inode *inode, struct folio *folio) { struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); - unsigned char *pg_buf; + unsigned char *kaddr; int ret; jffs2_dbg(2, "%s(): ino #%lu, page at offset 0x%lx\n", - __func__, inode->i_ino, pg->index << PAGE_SHIFT); + __func__, inode->i_ino, folio->index << PAGE_SHIFT); - BUG_ON(!PageLocked(pg)); + BUG_ON(!folio_test_locked(folio)); - pg_buf = kmap(pg); - /* FIXME: Can kmap fail? */ - - ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_SHIFT, + kaddr = kmap_local_folio(folio, 0); + ret = jffs2_read_inode_range(c, f, kaddr, folio->index << PAGE_SHIFT, PAGE_SIZE); + kunmap_local(kaddr); - if (ret) { - ClearPageUptodate(pg); - SetPageError(pg); - } else { - SetPageUptodate(pg); - ClearPageError(pg); - } + if (!ret) + folio_mark_uptodate(folio); - flush_dcache_page(pg); - kunmap(pg); + flush_dcache_folio(folio); jffs2_dbg(2, "readpage finished\n"); return ret; @@ -112,7 +105,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg) int __jffs2_read_folio(struct file *file, struct folio *folio) { - int ret = jffs2_do_readpage_nolock(folio->mapping->host, &folio->page); + int ret = jffs2_do_readpage_nolock(folio->mapping->host, folio); folio_unlock(folio); return ret; } @@ -130,9 +123,9 @@ static int jffs2_read_folio(struct file *file, struct folio *folio) static int jffs2_write_begin(struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, - struct page **pagep, void **fsdata) + struct folio **foliop, void **fsdata) { - struct page *pg; + struct folio *folio; struct inode *inode = mapping->host; struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); @@ -211,29 +204,30 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, * page in read_cache_page(), which causes a deadlock. */ mutex_lock(&c->alloc_sem); - pg = grab_cache_page_write_begin(mapping, index); - if (!pg) { - ret = -ENOMEM; + folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, + mapping_gfp_mask(mapping)); + if (IS_ERR(folio)) { + ret = PTR_ERR(folio); goto release_sem; } - *pagep = pg; + *foliop = folio; /* - * Read in the page if it wasn't already present. Cannot optimize away - * the whole page write case until jffs2_write_end can handle the + * Read in the folio if it wasn't already present. Cannot optimize away + * the whole folio write case until jffs2_write_end can handle the * case of a short-copy. */ - if (!PageUptodate(pg)) { + if (!folio_test_uptodate(folio)) { mutex_lock(&f->sem); - ret = jffs2_do_readpage_nolock(inode, pg); + ret = jffs2_do_readpage_nolock(inode, folio); mutex_unlock(&f->sem); if (ret) { - unlock_page(pg); - put_page(pg); + folio_unlock(folio); + folio_put(folio); goto release_sem; } } - jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags); + jffs2_dbg(1, "end write_begin(). folio->flags %lx\n", folio->flags); release_sem: mutex_unlock(&c->alloc_sem); @@ -243,7 +237,7 @@ out_err: static int jffs2_write_end(struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, - struct page *pg, void *fsdata) + struct folio *folio, void *fsdata) { /* Actually commit the write from the page cache page we're looking at. * For now, we write the full page out each time. It sucks, but it's simple @@ -257,16 +251,17 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, unsigned aligned_start = start & ~3; int ret = 0; uint32_t writtenlen = 0; + void *buf; - jffs2_dbg(1, "%s(): ino #%lu, page at 0x%lx, range %d-%d, flags %lx\n", - __func__, inode->i_ino, pg->index << PAGE_SHIFT, - start, end, pg->flags); + jffs2_dbg(1, "%s(): ino #%lu, page at 0x%llx, range %d-%d, flags %lx\n", + __func__, inode->i_ino, folio_pos(folio), + start, end, folio->flags); /* We need to avoid deadlock with page_cache_read() in - jffs2_garbage_collect_pass(). So the page must be + jffs2_garbage_collect_pass(). So the folio must be up to date to prevent page_cache_read() from trying to re-lock it. */ - BUG_ON(!PageUptodate(pg)); + BUG_ON(!folio_test_uptodate(folio)); if (end == PAGE_SIZE) { /* When writing out the end of a page, write out the @@ -281,8 +276,8 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, if (!ri) { jffs2_dbg(1, "%s(): Allocation of raw inode failed\n", __func__); - unlock_page(pg); - put_page(pg); + folio_unlock(folio); + folio_put(folio); return -ENOMEM; } @@ -294,20 +289,14 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, ri->isize = cpu_to_je32((uint32_t)inode->i_size); ri->atime = ri->ctime = ri->mtime = cpu_to_je32(JFFS2_NOW()); - /* In 2.4, it was already kmapped by generic_file_write(). Doesn't - hurt to do it again. The alternative is ifdefs, which are ugly. */ - kmap(pg); - - ret = jffs2_write_inode_range(c, f, ri, page_address(pg) + aligned_start, - (pg->index << PAGE_SHIFT) + aligned_start, + buf = kmap_local_folio(folio, aligned_start); + ret = jffs2_write_inode_range(c, f, ri, buf, + folio_pos(folio) + aligned_start, end - aligned_start, &writtenlen); + kunmap_local(buf); - kunmap(pg); - - if (ret) { - /* There was an error writing. */ - SetPageError(pg); - } + if (ret) + mapping_set_error(mapping, ret); /* Adjust writtenlen for the padding we did, so we don't confuse our caller */ writtenlen -= min(writtenlen, (start - aligned_start)); @@ -317,8 +306,8 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, inode->i_size = pos + writtenlen; inode->i_blocks = (inode->i_size + 511) >> 9; - inode->i_mtime = inode_set_ctime_to_ts(inode, - ITIME(je32_to_cpu(ri->ctime))); + inode_set_mtime_to_ts(inode, + inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(ri->ctime)))); } } @@ -330,13 +319,12 @@ static int jffs2_write_end(struct file *filp, struct address_space *mapping, it gets reread */ jffs2_dbg(1, "%s(): Not all bytes written. Marking page !uptodate\n", __func__); - SetPageError(pg); - ClearPageUptodate(pg); + folio_clear_uptodate(folio); } jffs2_dbg(1, "%s() returning %d\n", __func__, writtenlen > 0 ? writtenlen : ret); - unlock_page(pg); - put_page(pg); + folio_unlock(folio); + folio_put(folio); return writtenlen > 0 ? writtenlen : ret; } diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 0403efab4089..d175cccb7c55 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -113,8 +113,8 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) ri->isize = cpu_to_je32((ivalid & ATTR_SIZE)?iattr->ia_size:inode->i_size); - ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode->i_atime)); - ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode->i_mtime)); + ri->atime = cpu_to_je32(I_SEC((ivalid & ATTR_ATIME)?iattr->ia_atime:inode_get_atime(inode))); + ri->mtime = cpu_to_je32(I_SEC((ivalid & ATTR_MTIME)?iattr->ia_mtime:inode_get_mtime(inode))); ri->ctime = cpu_to_je32(I_SEC((ivalid & ATTR_CTIME)?iattr->ia_ctime:inode_get_ctime(inode))); ri->offset = cpu_to_je32(0); @@ -147,9 +147,9 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr) return PTR_ERR(new_metadata); } /* It worked. Update the inode */ - inode->i_atime = ITIME(je32_to_cpu(ri->atime)); + inode_set_atime_to_ts(inode, ITIME(je32_to_cpu(ri->atime))); inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(ri->ctime))); - inode->i_mtime = ITIME(je32_to_cpu(ri->mtime)); + inode_set_mtime_to_ts(inode, ITIME(je32_to_cpu(ri->mtime))); inode->i_mode = jemode_to_cpu(ri->mode); i_uid_write(inode, je16_to_cpu(ri->uid)); i_gid_write(inode, je16_to_cpu(ri->gid)); @@ -282,8 +282,8 @@ struct inode *jffs2_iget(struct super_block *sb, unsigned long ino) i_uid_write(inode, je16_to_cpu(latest_node.uid)); i_gid_write(inode, je16_to_cpu(latest_node.gid)); inode->i_size = je32_to_cpu(latest_node.isize); - inode->i_atime = ITIME(je32_to_cpu(latest_node.atime)); - inode->i_mtime = ITIME(je32_to_cpu(latest_node.mtime)); + inode_set_atime_to_ts(inode, ITIME(je32_to_cpu(latest_node.atime))); + inode_set_mtime_to_ts(inode, ITIME(je32_to_cpu(latest_node.mtime))); inode_set_ctime_to_ts(inode, ITIME(je32_to_cpu(latest_node.ctime))); set_nlink(inode, f->inocache->pino_nlink); @@ -386,8 +386,8 @@ void jffs2_dirty_inode(struct inode *inode, int flags) iattr.ia_mode = inode->i_mode; iattr.ia_uid = inode->i_uid; iattr.ia_gid = inode->i_gid; - iattr.ia_atime = inode->i_atime; - iattr.ia_mtime = inode->i_mtime; + iattr.ia_atime = inode_get_atime(inode); + iattr.ia_mtime = inode_get_mtime(inode); iattr.ia_ctime = inode_get_ctime(inode); jffs2_do_setattr(inode, &iattr); @@ -475,8 +475,8 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r inode->i_mode = jemode_to_cpu(ri->mode); i_gid_write(inode, je16_to_cpu(ri->gid)); i_uid_write(inode, je16_to_cpu(ri->uid)); - inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode); - ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime)); + simple_inode_init_ts(inode); + ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode_get_mtime(inode))); inode->i_blocks = 0; inode->i_size = 0; diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c index 5c6602f3c189..822949d0eb00 100644 --- a/fs/jffs2/gc.c +++ b/fs/jffs2/gc.c @@ -1171,7 +1171,7 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era uint32_t alloclen, offset, orig_end, orig_start; int ret = 0; unsigned char *comprbuf = NULL, *writebuf; - struct page *page; + struct folio *folio; unsigned char *pg_ptr; memset(&ri, 0, sizeof(ri)); @@ -1317,25 +1317,25 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era BUG_ON(start > orig_start); } - /* The rules state that we must obtain the page lock *before* f->sem, so + /* The rules state that we must obtain the folio lock *before* f->sem, so * drop f->sem temporarily. Since we also hold c->alloc_sem, nothing's * actually going to *change* so we're safe; we only allow reading. * * It is important to note that jffs2_write_begin() will ensure that its - * page is marked Uptodate before allocating space. That means that if we - * end up here trying to GC the *same* page that jffs2_write_begin() is - * trying to write out, read_cache_page() will not deadlock. */ + * folio is marked uptodate before allocating space. That means that if we + * end up here trying to GC the *same* folio that jffs2_write_begin() is + * trying to write out, read_cache_folio() will not deadlock. */ mutex_unlock(&f->sem); - page = read_cache_page(inode->i_mapping, start >> PAGE_SHIFT, + folio = read_cache_folio(inode->i_mapping, start >> PAGE_SHIFT, __jffs2_read_folio, NULL); - if (IS_ERR(page)) { - pr_warn("read_cache_page() returned error: %ld\n", - PTR_ERR(page)); + if (IS_ERR(folio)) { + pr_warn("read_cache_folio() returned error: %ld\n", + PTR_ERR(folio)); mutex_lock(&f->sem); - return PTR_ERR(page); + return PTR_ERR(folio); } - pg_ptr = kmap(page); + pg_ptr = kmap_local_folio(folio, 0); mutex_lock(&f->sem); offset = start; @@ -1400,7 +1400,6 @@ static int jffs2_garbage_collect_dnode(struct jffs2_sb_info *c, struct jffs2_era } } - kunmap(page); - put_page(page); + folio_release_kmap(folio, pg_ptr); return ret; } diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c index ce1189793288..411de8b361b2 100644 --- a/fs/jffs2/malloc.c +++ b/fs/jffs2/malloc.c @@ -33,27 +33,19 @@ static struct kmem_cache *xattr_ref_cache; int __init jffs2_create_slab_caches(void) { - full_dnode_slab = kmem_cache_create("jffs2_full_dnode", - sizeof(struct jffs2_full_dnode), - 0, 0, NULL); + full_dnode_slab = KMEM_CACHE(jffs2_full_dnode, 0); if (!full_dnode_slab) goto err; - raw_dirent_slab = kmem_cache_create("jffs2_raw_dirent", - sizeof(struct jffs2_raw_dirent), - 0, SLAB_HWCACHE_ALIGN, NULL); + raw_dirent_slab = KMEM_CACHE(jffs2_raw_dirent, SLAB_HWCACHE_ALIGN); if (!raw_dirent_slab) goto err; - raw_inode_slab = kmem_cache_create("jffs2_raw_inode", - sizeof(struct jffs2_raw_inode), - 0, SLAB_HWCACHE_ALIGN, NULL); + raw_inode_slab = KMEM_CACHE(jffs2_raw_inode, SLAB_HWCACHE_ALIGN); if (!raw_inode_slab) goto err; - tmp_dnode_info_slab = kmem_cache_create("jffs2_tmp_dnode", - sizeof(struct jffs2_tmp_dnode_info), - 0, 0, NULL); + tmp_dnode_info_slab = KMEM_CACHE(jffs2_tmp_dnode_info, 0); if (!tmp_dnode_info_slab) goto err; @@ -63,28 +55,20 @@ int __init jffs2_create_slab_caches(void) if (!raw_node_ref_slab) goto err; - node_frag_slab = kmem_cache_create("jffs2_node_frag", - sizeof(struct jffs2_node_frag), - 0, 0, NULL); + node_frag_slab = KMEM_CACHE(jffs2_node_frag, 0); if (!node_frag_slab) goto err; - inode_cache_slab = kmem_cache_create("jffs2_inode_cache", - sizeof(struct jffs2_inode_cache), - 0, 0, NULL); + inode_cache_slab = KMEM_CACHE(jffs2_inode_cache, 0); if (!inode_cache_slab) goto err; #ifdef CONFIG_JFFS2_FS_XATTR - xattr_datum_cache = kmem_cache_create("jffs2_xattr_datum", - sizeof(struct jffs2_xattr_datum), - 0, 0, NULL); + xattr_datum_cache = KMEM_CACHE(jffs2_xattr_datum, 0); if (!xattr_datum_cache) goto err; - xattr_ref_cache = kmem_cache_create("jffs2_xattr_ref", - sizeof(struct jffs2_xattr_ref), - 0, 0, NULL); + xattr_ref_cache = KMEM_CACHE(jffs2_xattr_ref, 0); if (!xattr_ref_cache) goto err; #endif diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c index a7bbe879cfc3..bbab2bdc71b6 100644 --- a/fs/jffs2/nodemgmt.c +++ b/fs/jffs2/nodemgmt.c @@ -49,28 +49,31 @@ static int jffs2_rp_can_write(struct jffs2_sb_info *c) return 0; } +static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, + uint32_t *len, uint32_t sumsize); + /** * jffs2_reserve_space - request physical space to write nodes to flash * @c: superblock info * @minsize: Minimum acceptable size of allocation * @len: Returned value of allocation length * @prio: Allocation type - ALLOC_{NORMAL,DELETION} + * @sumsize: summary size requested or JFFS2_SUMMARY_NOSUM_SIZE for no summary + * + * Requests a block of physical space on the flash. * - * Requests a block of physical space on the flash. Returns zero for success - * and puts 'len' into the appropriate place, or returns -ENOSPC or other - * error if appropriate. Doesn't return len since that's + * Returns: %0 for success and puts 'len' into the appropriate place, + * or returns -ENOSPC or other error if appropriate. + * Doesn't return len since that's already returned in @len. * - * If it returns zero, jffs2_reserve_space() also downs the per-filesystem + * If it returns %0, jffs2_reserve_space() also downs the per-filesystem * allocation semaphore, to prevent more than one allocation from being - * active at any time. The semaphore is later released by jffs2_commit_allocation() + * active at any time. The semaphore is later released by jffs2_commit_allocation(). * * jffs2_reserve_space() may trigger garbage collection in order to make room * for the requested allocation. */ -static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, - uint32_t *len, uint32_t sumsize); - int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *len, int prio, uint32_t sumsize) { @@ -488,13 +491,16 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, /** * jffs2_add_physical_node_ref - add a physical node reference to the list * @c: superblock info - * @new: new node reference to add + * @ofs: offset in the block * @len: length of this physical node + * @ic: inode cache pointer * * Should only be used to report nodes for which space has been allocated * by jffs2_reserve_space. * * Must be called with the alloc_sem held. + * + * Returns: pointer to new node on success or -errno code on error */ struct jffs2_raw_node_ref *jffs2_add_physical_node_ref(struct jffs2_sb_info *c, diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index 50727a1ff931..86ab014a349c 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -36,8 +36,8 @@ struct kvec; #define JFFS2_NOW() JFFS2_CLAMP_TIME(ktime_get_real_seconds()) #define I_SEC(tv) JFFS2_CLAMP_TIME((tv).tv_sec) #define JFFS2_F_I_CTIME(f) I_SEC(inode_get_ctime(OFNI_EDONI_2SFFJ(f))) -#define JFFS2_F_I_MTIME(f) I_SEC(OFNI_EDONI_2SFFJ(f)->i_mtime) -#define JFFS2_F_I_ATIME(f) I_SEC(OFNI_EDONI_2SFFJ(f)->i_atime) +#define JFFS2_F_I_MTIME(f) I_SEC(inode_get_mtime(OFNI_EDONI_2SFFJ(f))) +#define JFFS2_F_I_ATIME(f) I_SEC(inode_get_atime(OFNI_EDONI_2SFFJ(f))) #define sleep_on_spinunlock(wq, s) \ do { \ DECLARE_WAITQUEUE(__wait, current); \ diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 29671e33a171..62879c218d4b 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -256,7 +256,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c) jffs2_dbg(1, "%s(): Skipping %d bytes in nextblock to ensure page alignment\n", __func__, skip); - jffs2_prealloc_raw_node_refs(c, c->nextblock, 1); + ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1); + if (ret) + goto out; jffs2_scan_dirty_space(c, c->nextblock, skip); } #endif diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c index 4fe64519870f..d83372d3e1a0 100644 --- a/fs/jffs2/summary.c +++ b/fs/jffs2/summary.c @@ -858,7 +858,10 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) spin_unlock(&c->erase_completion_lock); jeb = c->nextblock; - jffs2_prealloc_raw_node_refs(c, jeb, 1); + ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); + + if (ret) + goto out; if (!c->summary->sum_num || !c->summary->sum_list_head) { JFFS2_WARNING("Empty summary info!!!\n"); @@ -872,6 +875,8 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c) datasize += padsize; ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize); + +out: spin_lock(&c->erase_completion_lock); return ret; } diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index e71f4c94c448..4545f885c41e 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -151,6 +151,7 @@ static struct dentry *jffs2_get_parent(struct dentry *child) } static const struct export_operations jffs2_export_ops = { + .encode_fh = generic_encode_ino32_fh, .get_parent = jffs2_get_parent, .fh_to_dentry = jffs2_fh_to_dentry, .fh_to_parent = jffs2_fh_to_parent, @@ -387,7 +388,7 @@ static int __init init_jffs2_fs(void) jffs2_inode_cachep = kmem_cache_create("jffs2_i", sizeof(struct jffs2_inode_info), 0, (SLAB_RECLAIM_ACCOUNT| - SLAB_MEM_SPREAD|SLAB_ACCOUNT), + SLAB_ACCOUNT), jffs2_i_init_once); if (!jffs2_inode_cachep) { pr_err("error: Failed to initialise inode cache\n"); diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c index 23c1f6a120f0..defb4162c3d5 100644 --- a/fs/jffs2/xattr.c +++ b/fs/jffs2/xattr.c @@ -920,7 +920,7 @@ struct jffs2_xattr_datum *jffs2_setup_xattr_datum(struct jffs2_sb_info *c, * do_jffs2_setxattr(inode, xprefix, xname, buffer, size, flags) * is an implementation of setxattr handler on jffs2. * -------------------------------------------------- */ -const struct xattr_handler *jffs2_xattr_handlers[] = { +const struct xattr_handler * const jffs2_xattr_handlers[] = { &jffs2_user_xattr_handler, #ifdef CONFIG_JFFS2_FS_SECURITY &jffs2_security_xattr_handler, diff --git a/fs/jffs2/xattr.h b/fs/jffs2/xattr.h index 1b5030a3349d..7e7de093ec0a 100644 --- a/fs/jffs2/xattr.h +++ b/fs/jffs2/xattr.h @@ -94,7 +94,7 @@ extern int do_jffs2_getxattr(struct inode *inode, int xprefix, const char *xname extern int do_jffs2_setxattr(struct inode *inode, int xprefix, const char *xname, const char *buffer, size_t size, int flags); -extern const struct xattr_handler *jffs2_xattr_handlers[]; +extern const struct xattr_handler * const jffs2_xattr_handlers[]; extern const struct xattr_handler jffs2_user_xattr_handler; extern const struct xattr_handler jffs2_trusted_xattr_handler; |