From: Gao Xiang <gaoxiang25@xxxxxxxxxx> As Christoph suggested [1], "Why is this called vnode instead of inode? That seems like a rather odd naming for a Linux file system." [1] https://lore.kernel.org/r/20190829101545.GC20598@xxxxxxxxxxxxx/ Reported-by: Christoph Hellwig <hch@xxxxxxxxxxxxx> Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> --- fs/erofs/data.c | 4 ++-- fs/erofs/dir.c | 6 +++--- fs/erofs/inode.c | 10 +++++----- fs/erofs/internal.h | 18 +++++++++--------- fs/erofs/namei.c | 2 +- fs/erofs/super.c | 12 +++++------- fs/erofs/xattr.c | 18 +++++++++--------- fs/erofs/xattr.h | 4 ++-- fs/erofs/zdata.c | 9 +++------ fs/erofs/zmap.c | 28 ++++++++++++++-------------- include/trace/events/erofs.h | 14 +++++++------- 11 files changed, 60 insertions(+), 65 deletions(-) diff --git a/fs/erofs/data.c b/fs/erofs/data.c index 0983807737fd..d736d2e551a1 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -112,7 +112,7 @@ static int erofs_map_blocks_flatmode(struct inode *inode, int err = 0; erofs_blk_t nblocks, lastblk; u64 offset = map->m_la; - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); trace_erofs_map_blocks_flatmode_enter(inode, map, flags); @@ -364,7 +364,7 @@ static int erofs_raw_access_readpages(struct file *filp, if (IS_ERR(bio)) { pr_err("%s, readahead error at page %lu of nid %llu\n", __func__, page->index, - EROFS_V(mapping->host)->nid); + EROFS_I(mapping->host)->nid); bio = NULL; } diff --git a/fs/erofs/dir.c b/fs/erofs/dir.c index 6a5b43f7fb29..a032c8217071 100644 --- a/fs/erofs/dir.c +++ b/fs/erofs/dir.c @@ -47,7 +47,7 @@ static int erofs_fill_dentries(struct inode *dir, struct dir_context *ctx, /* a corrupted entry is found */ if (nameoff + de_namelen > maxsize || de_namelen > EROFS_NAME_LEN) { - errln("bogus dirent @ nid %llu", EROFS_V(dir)->nid); + errln("bogus dirent @ nid %llu", EROFS_I(dir)->nid); DBG_BUGON(1); return -EFSCORRUPTED; } @@ -85,7 +85,7 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) break; } else if (IS_ERR(dentry_page)) { errln("fail to readdir of logical block %u of nid %llu", - i, EROFS_V(dir)->nid); + i, EROFS_I(dir)->nid); err = -EFSCORRUPTED; break; } @@ -97,7 +97,7 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) if (nameoff < sizeof(struct erofs_dirent) || nameoff >= PAGE_SIZE) { errln("%s, invalid de[0].nameoff %u @ nid %llu", - __func__, nameoff, EROFS_V(dir)->nid); + __func__, nameoff, EROFS_I(dir)->nid); err = -EFSCORRUPTED; goto skip_this; } diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index 3fc4f764b387..de0373647959 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -11,7 +11,7 @@ /* no locking */ static int read_inode(struct inode *inode, void *data) { - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); struct erofs_inode_v1 *v1 = data; const unsigned int advise = le16_to_cpu(v1->i_advise); erofs_blk_t nblks = 0; @@ -122,7 +122,7 @@ static int read_inode(struct inode *inode, void *data) static int fill_inline_data(struct inode *inode, void *data, unsigned int m_pofs) { - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); struct erofs_sb_info *sbi = EROFS_I_SB(inode); /* should be inode inline C */ @@ -160,7 +160,7 @@ static int fill_inline_data(struct inode *inode, void *data, static int fill_inode(struct inode *inode, int isdir) { struct erofs_sb_info *sbi = EROFS_SB(inode->i_sb); - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); struct page *page; void *data; int err; @@ -242,7 +242,7 @@ static int erofs_ilookup_test_actor(struct inode *inode, void *opaque) { const erofs_nid_t nid = *(erofs_nid_t *)opaque; - return EROFS_V(inode)->nid == nid; + return EROFS_I(inode)->nid == nid; } static int erofs_iget_set_actor(struct inode *inode, void *opaque) @@ -279,7 +279,7 @@ struct inode *erofs_iget(struct super_block *sb, if (inode->i_state & I_NEW) { int err; - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); vi->nid = nid; diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index 141ea424587d..e576650bd4f4 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -272,14 +272,14 @@ static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid) } /* atomic flag definitions */ -#define EROFS_V_EA_INITED_BIT 0 -#define EROFS_V_Z_INITED_BIT 1 +#define EROFS_I_EA_INITED_BIT 0 +#define EROFS_I_Z_INITED_BIT 1 /* bitlock definitions (arranged in reverse order) */ -#define EROFS_V_BL_XATTR_BIT (BITS_PER_LONG - 1) -#define EROFS_V_BL_Z_BIT (BITS_PER_LONG - 2) +#define EROFS_I_BL_XATTR_BIT (BITS_PER_LONG - 1) +#define EROFS_I_BL_Z_BIT (BITS_PER_LONG - 2) -struct erofs_vnode { +struct erofs_inode { erofs_nid_t nid; /* atomic flags (including bitlocks) */ @@ -307,8 +307,8 @@ struct erofs_vnode { struct inode vfs_inode; }; -#define EROFS_V(ptr) \ - container_of(ptr, struct erofs_vnode, vfs_inode) +#define EROFS_I(ptr) \ + container_of(ptr, struct erofs_inode, vfs_inode) #define __inode_advise(x, bit, bits) \ (((x) >> (bit)) & ((1 << (bits)) - 1)) @@ -329,12 +329,12 @@ static inline unsigned long inode_datablocks(struct inode *inode) static inline bool is_inode_layout_compression(struct inode *inode) { - return erofs_inode_is_data_compressed(EROFS_V(inode)->datamode); + return erofs_inode_is_data_compressed(EROFS_I(inode)->datamode); } static inline bool is_inode_flat_inline(struct inode *inode) { - return EROFS_V(inode)->datamode == EROFS_INODE_FLAT_INLINE; + return EROFS_I(inode)->datamode == EROFS_INODE_FLAT_INLINE; } extern const struct super_operations erofs_sops; diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c index c1068ad0535e..a6b6a4ab1403 100644 --- a/fs/erofs/namei.c +++ b/fs/erofs/namei.c @@ -117,7 +117,7 @@ static struct page *find_target_block_classic(struct inode *dir, kunmap_atomic(de); put_page(page); errln("corrupted dir block %d @ nid %llu", - mid, EROFS_V(dir)->nid); + mid, EROFS_I(dir)->nid); DBG_BUGON(1); page = ERR_PTR(-EFSCORRUPTED); goto out; diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 0c412de33315..b0d318a8eb22 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -18,27 +18,25 @@ static struct kmem_cache *erofs_inode_cachep __read_mostly; static void init_once(void *ptr) { - struct erofs_vnode *vi = ptr; - - inode_init_once(&vi->vfs_inode); + inode_init_once(&((struct erofs_inode *)ptr)->vfs_inode); } static struct inode *alloc_inode(struct super_block *sb) { - struct erofs_vnode *vi = + struct erofs_inode *vi = kmem_cache_alloc(erofs_inode_cachep, GFP_KERNEL); if (!vi) return NULL; /* zero out everything except vfs_inode */ - memset(vi, 0, offsetof(struct erofs_vnode, vfs_inode)); + memset(vi, 0, offsetof(struct erofs_inode, vfs_inode)); return &vi->vfs_inode; } static void free_inode(struct inode *inode) { - struct erofs_vnode *vi = EROFS_V(inode); + struct erofs_inode *vi = EROFS_I(inode); /* be careful RCU symlink path (see ext4_inode_info->i_data)! */ if (is_inode_fast_symlink(inode)) @@ -517,7 +515,7 @@ static int __init erofs_module_init(void) infoln("initializing erofs " EROFS_VERSION); erofs_inode_cachep = kmem_cache_create("erofs_inode", - sizeof(struct erofs_vnode), 0, + sizeof(struct erofs_inode), 0, SLAB_RECLAIM_ACCOUNT, init_once); if (!erofs_inode_cachep) { diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c index 620cbc15f4d0..d5b7fe0bee45 100644 --- a/fs/erofs/xattr.c +++ b/fs/erofs/xattr.c @@ -38,7 +38,7 @@ static inline void xattr_iter_end_final(struct xattr_iter *it) static int init_inode_xattrs(struct inode *inode) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct xattr_iter it; unsigned int i; struct erofs_xattr_ibody_header *ih; @@ -48,14 +48,14 @@ static int init_inode_xattrs(struct inode *inode) int ret = 0; /* the most case is that xattrs of this inode are initialized. */ - if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) + if (test_bit(EROFS_I_EA_INITED_BIT, &vi->flags)) return 0; - if (wait_on_bit_lock(&vi->flags, EROFS_V_BL_XATTR_BIT, TASK_KILLABLE)) + if (wait_on_bit_lock(&vi->flags, EROFS_I_BL_XATTR_BIT, TASK_KILLABLE)) return -ERESTARTSYS; /* someone has initialized xattrs for us? */ - if (test_bit(EROFS_V_EA_INITED_BIT, &vi->flags)) + if (test_bit(EROFS_I_EA_INITED_BIT, &vi->flags)) goto out_unlock; /* @@ -136,10 +136,10 @@ static int init_inode_xattrs(struct inode *inode) } xattr_iter_end(&it, atomic_map); - set_bit(EROFS_V_EA_INITED_BIT, &vi->flags); + set_bit(EROFS_I_EA_INITED_BIT, &vi->flags); out_unlock: - clear_and_wake_up_bit(EROFS_V_BL_XATTR_BIT, &vi->flags); + clear_and_wake_up_bit(EROFS_I_BL_XATTR_BIT, &vi->flags); return ret; } @@ -184,7 +184,7 @@ static inline int xattr_iter_fixup(struct xattr_iter *it) static int inline_xattr_iter_begin(struct xattr_iter *it, struct inode *inode) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct erofs_sb_info *const sbi = EROFS_SB(inode->i_sb); unsigned int xattr_header_sz, inline_xattr_ofs; @@ -385,7 +385,7 @@ static int inline_getxattr(struct inode *inode, struct getxattr_iter *it) static int shared_getxattr(struct inode *inode, struct getxattr_iter *it) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct super_block *const sb = inode->i_sb; struct erofs_sb_info *const sbi = EROFS_SB(sb); unsigned int i; @@ -608,7 +608,7 @@ static int inline_listxattr(struct listxattr_iter *it) static int shared_listxattr(struct listxattr_iter *it) { struct inode *const inode = d_inode(it->dentry); - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct super_block *const sb = inode->i_sb; struct erofs_sb_info *const sbi = EROFS_SB(sb); unsigned int i; diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h index c5ca47d814dd..3585b84d2f20 100644 --- a/fs/erofs/xattr.h +++ b/fs/erofs/xattr.h @@ -16,8 +16,8 @@ static inline unsigned int inlinexattr_header_size(struct inode *inode) { - return sizeof(struct erofs_xattr_ibody_header) - + sizeof(u32) * EROFS_V(inode)->xattr_shared_count; + return sizeof(struct erofs_xattr_ibody_header) + + sizeof(u32) * EROFS_I(inode)->xattr_shared_count; } static inline erofs_blk_t xattrblock_addr(struct erofs_sb_info *sbi, diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 653bde0a619a..f06a2fad7af2 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -421,7 +421,7 @@ static struct z_erofs_collection *clregister(struct z_erofs_collector *clt, else pcl->algorithmformat = Z_EROFS_COMPRESSION_SHIFTED; - pcl->clusterbits = EROFS_V(inode)->z_physical_clusterbits[0]; + pcl->clusterbits = EROFS_I(inode)->z_physical_clusterbits[0]; pcl->clusterbits -= PAGE_SHIFT; /* new pclusters should be claimed as type 1, primary and followed */ @@ -1404,12 +1404,9 @@ static int z_erofs_vle_normalaccess_readpages(struct file *filp, head = (void *)page_private(page); err = z_erofs_do_read_page(&f, page, &pagepool); - if (err) { - struct erofs_vnode *vi = EROFS_V(inode); - + if (err) errln("%s, readahead error at page %lu of nid %llu", - __func__, page->index, vi->nid); - } + __func__, page->index, EROFS_I(inode)->nid); put_page(page); } diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index 850e0e3d57a8..c2dd778ebdd3 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -10,7 +10,7 @@ int z_erofs_fill_inode(struct inode *inode) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); if (vi->datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY) { vi->z_advise = 0; @@ -19,7 +19,7 @@ int z_erofs_fill_inode(struct inode *inode) vi->z_logical_clusterbits = LOG_BLOCK_SIZE; vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits; vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits; - set_bit(EROFS_V_Z_INITED_BIT, &vi->flags); + set_bit(EROFS_I_Z_INITED_BIT, &vi->flags); } inode->i_mapping->a_ops = &z_erofs_vle_normalaccess_aops; @@ -28,7 +28,7 @@ int z_erofs_fill_inode(struct inode *inode) static int fill_inode_lazy(struct inode *inode) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct super_block *const sb = inode->i_sb; int err; erofs_off_t pos; @@ -36,14 +36,14 @@ static int fill_inode_lazy(struct inode *inode) void *kaddr; struct z_erofs_map_header *h; - if (test_bit(EROFS_V_Z_INITED_BIT, &vi->flags)) + if (test_bit(EROFS_I_Z_INITED_BIT, &vi->flags)) return 0; - if (wait_on_bit_lock(&vi->flags, EROFS_V_BL_Z_BIT, TASK_KILLABLE)) + if (wait_on_bit_lock(&vi->flags, EROFS_I_BL_Z_BIT, TASK_KILLABLE)) return -ERESTARTSYS; err = 0; - if (test_bit(EROFS_V_Z_INITED_BIT, &vi->flags)) + if (test_bit(EROFS_I_Z_INITED_BIT, &vi->flags)) goto out_unlock; DBG_BUGON(vi->datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY); @@ -83,13 +83,13 @@ static int fill_inode_lazy(struct inode *inode) vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits + ((h->h_clusterbits >> 5) & 7); - set_bit(EROFS_V_Z_INITED_BIT, &vi->flags); + set_bit(EROFS_I_Z_INITED_BIT, &vi->flags); unmap_done: kunmap_atomic(kaddr); unlock_page(page); put_page(page); out_unlock: - clear_and_wake_up_bit(EROFS_V_BL_Z_BIT, &vi->flags); + clear_and_wake_up_bit(EROFS_I_BL_Z_BIT, &vi->flags); return err; } @@ -142,7 +142,7 @@ static int vle_legacy_load_cluster_from_disk(struct z_erofs_maprecorder *m, unsigned long lcn) { struct inode *const inode = m->inode; - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); const erofs_off_t ibase = iloc(EROFS_I_SB(inode), vi->nid); const erofs_off_t pos = Z_EROFS_VLE_LEGACY_INDEX_ALIGN(ibase + vi->inode_isize + @@ -196,7 +196,7 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m, unsigned int amortizedshift, unsigned int eofs) { - struct erofs_vnode *const vi = EROFS_V(m->inode); + struct erofs_inode *const vi = EROFS_I(m->inode); const unsigned int lclusterbits = vi->z_logical_clusterbits; const unsigned int lomask = (1 << lclusterbits) - 1; unsigned int vcnt, base, lo, encodebits, nblk; @@ -260,7 +260,7 @@ static int compacted_load_cluster_from_disk(struct z_erofs_maprecorder *m, unsigned long lcn) { struct inode *const inode = m->inode; - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); const unsigned int lclusterbits = vi->z_logical_clusterbits; const erofs_off_t ebase = ALIGN(iloc(EROFS_I_SB(inode), vi->nid) + vi->inode_isize + vi->xattr_isize, 8) + @@ -314,7 +314,7 @@ static int compacted_load_cluster_from_disk(struct z_erofs_maprecorder *m, static int vle_load_cluster_from_disk(struct z_erofs_maprecorder *m, unsigned int lcn) { - const unsigned int datamode = EROFS_V(m->inode)->datamode; + const unsigned int datamode = EROFS_I(m->inode)->datamode; if (datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY) return vle_legacy_load_cluster_from_disk(m, lcn); @@ -328,7 +328,7 @@ static int vle_load_cluster_from_disk(struct z_erofs_maprecorder *m, static int vle_extent_lookback(struct z_erofs_maprecorder *m, unsigned int lookback_distance) { - struct erofs_vnode *const vi = EROFS_V(m->inode); + struct erofs_inode *const vi = EROFS_I(m->inode); struct erofs_map_blocks *const map = m->map; const unsigned int lclusterbits = vi->z_logical_clusterbits; unsigned long lcn = m->lcn; @@ -374,7 +374,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, struct erofs_map_blocks *map, int flags) { - struct erofs_vnode *const vi = EROFS_V(inode); + struct erofs_inode *const vi = EROFS_I(inode); struct z_erofs_maprecorder m = { .inode = inode, .map = map, diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h index d239f39cbc8c..27f5caa6299a 100644 --- a/include/trace/events/erofs.h +++ b/include/trace/events/erofs.h @@ -41,7 +41,7 @@ TRACE_EVENT(erofs_lookup, TP_fast_assign( __entry->dev = dir->i_sb->s_dev; - __entry->nid = EROFS_V(dir)->nid; + __entry->nid = EROFS_I(dir)->nid; __entry->name = dentry->d_name.name; __entry->flags = flags; ), @@ -66,7 +66,7 @@ TRACE_EVENT(erofs_fill_inode, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_V(inode)->nid; + __entry->nid = EROFS_I(inode)->nid; __entry->blkaddr = erofs_blknr(iloc(EROFS_I_SB(inode), __entry->nid)); __entry->ofs = erofs_blkoff(iloc(EROFS_I_SB(inode), __entry->nid)); __entry->isdir = isdir; @@ -95,7 +95,7 @@ TRACE_EVENT(erofs_readpage, TP_fast_assign( __entry->dev = page->mapping->host->i_sb->s_dev; - __entry->nid = EROFS_V(page->mapping->host)->nid; + __entry->nid = EROFS_I(page->mapping->host)->nid; __entry->dir = S_ISDIR(page->mapping->host->i_mode); __entry->index = page->index; __entry->uptodate = PageUptodate(page); @@ -128,7 +128,7 @@ TRACE_EVENT(erofs_readpages, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_V(inode)->nid; + __entry->nid = EROFS_I(inode)->nid; __entry->start = page->index; __entry->nrpage = nrpage; __entry->raw = raw; @@ -157,7 +157,7 @@ DECLARE_EVENT_CLASS(erofs__map_blocks_enter, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_V(inode)->nid; + __entry->nid = EROFS_I(inode)->nid; __entry->la = map->m_la; __entry->llen = map->m_llen; __entry->flags = flags; @@ -203,7 +203,7 @@ DECLARE_EVENT_CLASS(erofs__map_blocks_exit, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_V(inode)->nid; + __entry->nid = EROFS_I(inode)->nid; __entry->flags = flags; __entry->la = map->m_la; __entry->pa = map->m_pa; @@ -247,7 +247,7 @@ TRACE_EVENT(erofs_destroy_inode, TP_fast_assign( __entry->dev = inode->i_sb->s_dev; - __entry->nid = EROFS_V(inode)->nid; + __entry->nid = EROFS_I(inode)->nid; ), TP_printk("dev = (%d,%d), nid = %llu", show_dev_nid(__entry)) -- 2.17.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
