From: Gao Xiang Date: Mon, 14 Jul 2025 09:09:06 +0000 (+0800) Subject: erofs: remove need_kmap in erofs_read_metabuf() X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e744cb61536bb4e37caca9c5e84feef638782be;p=thirdparty%2Fkernel%2Flinux.git erofs: remove need_kmap in erofs_read_metabuf() - need_kmap is always true except for a ztailpacking case; thus, just open-code that one; - The upcoming metadata compression will add a new boolean, so simplify this first. Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Link: https://lore.kernel.org/r/20250714090907.4095645-1-hsiangkao@linux.alibaba.com --- diff --git a/fs/erofs/data.c b/fs/erofs/data.c index 16e4a6bd9b973..dd7d86809c188 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -65,10 +65,10 @@ void erofs_init_metabuf(struct erofs_buf *buf, struct super_block *sb) } void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, - erofs_off_t offset, bool need_kmap) + erofs_off_t offset) { erofs_init_metabuf(buf, sb); - return erofs_bread(buf, offset, need_kmap); + return erofs_bread(buf, offset, true); } int erofs_map_blocks(struct inode *inode, struct erofs_map_blocks *map) @@ -118,7 +118,7 @@ int erofs_map_blocks(struct inode *inode, struct erofs_map_blocks *map) pos = ALIGN(erofs_iloc(inode) + vi->inode_isize + vi->xattr_isize, unit) + unit * chunknr; - idx = erofs_read_metabuf(&buf, sb, pos, true); + idx = erofs_read_metabuf(&buf, sb, pos); if (IS_ERR(idx)) { err = PTR_ERR(idx); goto out; @@ -299,7 +299,7 @@ static int erofs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, struct erofs_buf buf = __EROFS_BUF_INITIALIZER; iomap->type = IOMAP_INLINE; - ptr = erofs_read_metabuf(&buf, sb, mdev.m_pa, true); + ptr = erofs_read_metabuf(&buf, sb, mdev.m_pa); if (IS_ERR(ptr)) return PTR_ERR(ptr); iomap->inline_data = ptr; diff --git a/fs/erofs/fileio.c b/fs/erofs/fileio.c index 91781718199e2..3ee082476c8c5 100644 --- a/fs/erofs/fileio.c +++ b/fs/erofs/fileio.c @@ -115,7 +115,7 @@ static int erofs_fileio_scan_folio(struct erofs_fileio *io, struct folio *folio) void *src; src = erofs_read_metabuf(&buf, inode->i_sb, - map->m_pa + ofs, true); + map->m_pa + ofs); if (IS_ERR(src)) { err = PTR_ERR(src); break; diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c index 34517ca9df915..9a8ee646e51d9 100644 --- a/fs/erofs/fscache.c +++ b/fs/erofs/fscache.c @@ -274,7 +274,7 @@ static int erofs_fscache_data_read_slice(struct erofs_fscache_rq *req) size_t size = map.m_llen; void *src; - src = erofs_read_metabuf(&buf, sb, map.m_pa, true); + src = erofs_read_metabuf(&buf, sb, map.m_pa); if (IS_ERR(src)) return PTR_ERR(src); diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index a0ae0b4f7b012..47215c5e33855 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -39,10 +39,10 @@ static int erofs_read_inode(struct inode *inode) void *ptr; int err = 0; - ptr = erofs_read_metabuf(&buf, sb, erofs_pos(sb, blkaddr), true); + ptr = erofs_read_metabuf(&buf, sb, erofs_pos(sb, blkaddr)); if (IS_ERR(ptr)) { err = PTR_ERR(ptr); - erofs_err(sb, "failed to get inode (nid: %llu) page, err %d", + erofs_err(sb, "failed to read inode meta block (nid: %llu): %d", vi->nid, err); goto err_out; } @@ -78,10 +78,10 @@ static int erofs_read_inode(struct inode *inode) memcpy(&copied, dic, gotten); ptr = erofs_read_metabuf(&buf, sb, - erofs_pos(sb, blkaddr + 1), true); + erofs_pos(sb, blkaddr + 1)); if (IS_ERR(ptr)) { err = PTR_ERR(ptr); - erofs_err(sb, "failed to get inode payload block (nid: %llu), err %d", + erofs_err(sb, "failed to read inode payload block (nid: %llu): %d", vi->nid, err); goto err_out; } diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index 06b867d2fc3b7..a7699114f6fe6 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -385,7 +385,7 @@ void erofs_put_metabuf(struct erofs_buf *buf); void *erofs_bread(struct erofs_buf *buf, erofs_off_t offset, bool need_kmap); void erofs_init_metabuf(struct erofs_buf *buf, struct super_block *sb); void *erofs_read_metabuf(struct erofs_buf *buf, struct super_block *sb, - erofs_off_t offset, bool need_kmap); + erofs_off_t offset); int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *dev); int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len); diff --git a/fs/erofs/super.c b/fs/erofs/super.c index e1e9f06e8342f..bc27fa3bd6783 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -141,7 +141,7 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, struct erofs_deviceslot *dis; struct file *file; - dis = erofs_read_metabuf(buf, sb, *pos, true); + dis = erofs_read_metabuf(buf, sb, *pos); if (IS_ERR(dis)) return PTR_ERR(dis); @@ -258,7 +258,7 @@ static int erofs_read_superblock(struct super_block *sb) void *data; int ret; - data = erofs_read_metabuf(&buf, sb, 0, true); + data = erofs_read_metabuf(&buf, sb, 0); if (IS_ERR(data)) { erofs_err(sb, "cannot read erofs superblock"); return PTR_ERR(data); diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 5e0240b7b7dbf..0d1ddd9b15ded 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -855,10 +855,11 @@ static int z_erofs_pcluster_begin(struct z_erofs_frontend *fe) /* bind cache first when cached decompression is preferred */ z_erofs_bind_cache(fe); } else { - ptr = erofs_read_metabuf(&map->buf, sb, map->m_pa, false); + erofs_init_metabuf(&map->buf, sb); + ptr = erofs_bread(&map->buf, map->m_pa, false); if (IS_ERR(ptr)) { ret = PTR_ERR(ptr); - erofs_err(sb, "failed to get inline data %d", ret); + erofs_err(sb, "failed to get inline folio %d", ret); return ret; } folio_get(page_folio(map->buf.page)); diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index 312ec54668aac..ff1d0751fc61c 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -31,7 +31,7 @@ static int z_erofs_load_full_lcluster(struct z_erofs_maprecorder *m, struct z_erofs_lcluster_index *di; unsigned int advise; - di = erofs_read_metabuf(&m->map->buf, inode->i_sb, pos, true); + di = erofs_read_metabuf(&m->map->buf, inode->i_sb, pos); if (IS_ERR(di)) return PTR_ERR(di); m->lcn = lcn; @@ -146,7 +146,7 @@ static int z_erofs_load_compact_lcluster(struct z_erofs_maprecorder *m, else return -EOPNOTSUPP; - in = erofs_read_metabuf(&m->map->buf, m->inode->i_sb, pos, true); + in = erofs_read_metabuf(&m->map->buf, m->inode->i_sb, pos); if (IS_ERR(in)) return PTR_ERR(in); @@ -530,7 +530,7 @@ static int z_erofs_map_blocks_ext(struct inode *inode, map->m_flags = 0; if (recsz <= offsetof(struct z_erofs_extent, pstart_hi)) { if (recsz <= offsetof(struct z_erofs_extent, pstart_lo)) { - ext = erofs_read_metabuf(&map->buf, sb, pos, true); + ext = erofs_read_metabuf(&map->buf, sb, pos); if (IS_ERR(ext)) return PTR_ERR(ext); pa = le64_to_cpu(*(__le64 *)ext); @@ -543,7 +543,7 @@ static int z_erofs_map_blocks_ext(struct inode *inode, } for (; lstart <= map->m_la; lstart += 1 << vi->z_lclusterbits) { - ext = erofs_read_metabuf(&map->buf, sb, pos, true); + ext = erofs_read_metabuf(&map->buf, sb, pos); if (IS_ERR(ext)) return PTR_ERR(ext); map->m_plen = le32_to_cpu(ext->plen); @@ -563,7 +563,7 @@ static int z_erofs_map_blocks_ext(struct inode *inode, for (l = 0, r = vi->z_extents; l < r; ) { mid = l + (r - l) / 2; ext = erofs_read_metabuf(&map->buf, sb, - pos + mid * recsz, true); + pos + mid * recsz); if (IS_ERR(ext)) return PTR_ERR(ext); @@ -646,7 +646,7 @@ static int z_erofs_fill_inode_lazy(struct inode *inode) goto out_unlock; pos = ALIGN(erofs_iloc(inode) + vi->inode_isize + vi->xattr_isize, 8); - h = erofs_read_metabuf(&buf, sb, pos, true); + h = erofs_read_metabuf(&buf, sb, pos); if (IS_ERR(h)) { err = PTR_ERR(h); goto out_unlock;