void xfs_setup_iops( struct xfs_inode *ip) { struct inode *inode = &ip->i_vnode; switch (inode->i_mode & S_IFMT) { case S_IFREG: inode->i_op = &xfs_inode_operations; inode->i_fop = &xfs_file_operations; inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb)) inode->i_op = &xfs_dir_ci_inode_operations; else inode->i_op = &xfs_dir_inode_operations; inode->i_fop = &xfs_dir_file_operations; break; case S_IFLNK: if (ip->i_df.if_flags & XFS_IFINLINE) inode->i_op = &xfs_inline_symlink_inode_operations; else inode->i_op = &xfs_symlink_inode_operations; break; default: inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } }
void xfs_dir_mount( xfs_mount_t *mp) { int nodehdr_size; ASSERT(xfs_sb_version_hasdirv2(&mp->m_sb)); ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <= XFS_MAX_BLOCKSIZE); mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog); mp->m_dirblkfsbs = 1 << mp->m_sb.sb_dirblklog; mp->m_dirdatablk = xfs_dir2_db_to_da(mp, XFS_DIR2_DATA_FIRSTDB(mp)); mp->m_dirleafblk = xfs_dir2_db_to_da(mp, XFS_DIR2_LEAF_FIRSTDB(mp)); mp->m_dirfreeblk = xfs_dir2_db_to_da(mp, XFS_DIR2_FREE_FIRSTDB(mp)); nodehdr_size = __xfs_da3_node_hdr_size(xfs_sb_version_hascrc(&mp->m_sb)); mp->m_attr_node_ents = (mp->m_sb.sb_blocksize - nodehdr_size) / (uint)sizeof(xfs_da_node_entry_t); mp->m_dir_node_ents = (mp->m_dirblksize - nodehdr_size) / (uint)sizeof(xfs_da_node_entry_t); mp->m_dir_magicpct = (mp->m_dirblksize * 37) / 100; if (xfs_sb_version_hasasciici(&mp->m_sb)) mp->m_dirnameops = &xfs_ascii_ci_nameops; else mp->m_dirnameops = &xfs_default_nameops; }
STATIC int xfs_vn_unlink( struct inode *dir, struct dentry *dentry) { struct xfs_name name; int error; xfs_dentry_to_name(&name, dentry); error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode)); if (error) return error; if (xfs_sb_version_hasasciici(&XFS_M(dir->i_sb)->m_sb)) d_invalidate(dentry); return 0; }
STATIC int xfs_vn_unlink( struct inode *dir, struct dentry *dentry) { struct xfs_name name; int error; xfs_dentry_to_name(&name, dentry); error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode)); if (error) return error; /* * With unlink, the VFS makes the dentry "negative": no inode, * but still hashed. This is incompatible with case-insensitive * mode, so invalidate (unhash) the dentry in CI-mode. */ if (xfs_sb_version_hasasciici(&XFS_M(dir->i_sb)->m_sb)) d_invalidate(dentry); return 0; }
/* * Initialize the Linux inode, set up the operation vectors and * unlock the inode. * * When reading existing inodes from disk this is called directly * from xfs_iget, when creating a new inode it is called from * xfs_ialloc after setting up the inode. * * We are always called with an uninitialised linux inode here. * We need to initialise the necessary fields and take a reference * on it. */ void xfs_setup_inode( struct xfs_inode *ip) { struct inode *inode = &ip->i_vnode; inode->i_ino = ip->i_ino; inode->i_state = I_NEW; inode_sb_list_add(inode); insert_inode_hash(inode); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; inode->i_uid = ip->i_d.di_uid; inode->i_gid = ip->i_d.di_gid; switch (inode->i_mode & S_IFMT) { case S_IFBLK: case S_IFCHR: inode->i_rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff, sysv_minor(ip->i_df.if_u2.if_rdev)); break; default: inode->i_rdev = 0; break; } inode->i_generation = ip->i_d.di_gen; i_size_write(inode, ip->i_d.di_size); inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec; inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec; inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec; inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec; inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec; inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec; xfs_diflags_to_iflags(inode, ip); switch (inode->i_mode & S_IFMT) { case S_IFREG: inode->i_op = &xfs_inode_operations; inode->i_fop = &xfs_file_operations; inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb)) inode->i_op = &xfs_dir_ci_inode_operations; else inode->i_op = &xfs_dir_inode_operations; inode->i_fop = &xfs_dir_file_operations; break; case S_IFLNK: inode->i_op = &xfs_symlink_inode_operations; if (!(ip->i_df.if_flags & XFS_IFINLINE)) inode->i_mapping->a_ops = &xfs_address_space_operations; break; default: inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } xfs_iflags_clear(ip, XFS_INEW); barrier(); unlock_new_inode(inode); }
/* * Initialize the Linux inode, set up the operation vectors and * unlock the inode. * * When reading existing inodes from disk this is called directly * from xfs_iget, when creating a new inode it is called from * xfs_ialloc after setting up the inode. * * We are always called with an uninitialised linux inode here. * We need to initialise the necessary fields and take a reference * on it. */ void xfs_setup_inode( struct xfs_inode *ip) { struct inode *inode = &ip->i_vnode; gfp_t gfp_mask; inode->i_ino = ip->i_ino; inode->i_state = I_NEW; inode_sb_list_add(inode); /* make the inode look hashed for the writeback code */ hlist_add_fake(&inode->i_hash); inode->i_mode = ip->i_d.di_mode; set_nlink(inode, ip->i_d.di_nlink); inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid); inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid); switch (inode->i_mode & S_IFMT) { case S_IFBLK: case S_IFCHR: inode->i_rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff, sysv_minor(ip->i_df.if_u2.if_rdev)); break; default: inode->i_rdev = 0; break; } inode->i_generation = ip->i_d.di_gen; i_size_write(inode, ip->i_d.di_size); inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec; inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec; inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec; inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec; inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec; inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec; xfs_diflags_to_iflags(inode, ip); ip->d_ops = ip->i_mount->m_nondir_inode_ops; lockdep_set_class(&ip->i_lock.mr_lock, &xfs_nondir_ilock_class); switch (inode->i_mode & S_IFMT) { case S_IFREG: inode->i_op = &xfs_inode_operations; inode->i_fop = &xfs_file_operations; inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: lockdep_set_class(&ip->i_lock.mr_lock, &xfs_dir_ilock_class); if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb)) inode->i_op = &xfs_dir_ci_inode_operations; else inode->i_op = &xfs_dir_inode_operations; inode->i_fop = &xfs_dir_file_operations; ip->d_ops = ip->i_mount->m_dir_inode_ops; break; case S_IFLNK: inode->i_op = &xfs_symlink_inode_operations; if (!(ip->i_df.if_flags & XFS_IFINLINE)) inode->i_mapping->a_ops = &xfs_address_space_operations; break; default: inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } /* * Ensure all page cache allocations are done from GFP_NOFS context to * prevent direct reclaim recursion back into the filesystem and blowing * stacks or deadlocking. */ gfp_mask = mapping_gfp_mask(inode->i_mapping); mapping_set_gfp_mask(inode->i_mapping, (gfp_mask & ~(__GFP_FS))); /* * If there is no attribute fork no ACL can exist on this inode, * and it can't have any file capabilities attached to it either. */ if (!XFS_IFORK_Q(ip)) { inode_has_no_xattr(inode); cache_no_acl(inode); } xfs_iflags_clear(ip, XFS_INEW); barrier(); unlock_new_inode(inode); }
static char * version_string( xfs_sb_t *sbp) { static char s[1024]; if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_1) strcpy(s, "V1"); else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_2) strcpy(s, "V2"); else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_3) strcpy(s, "V3"); else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) strcpy(s, "V4"); else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) strcpy(s, "V5"); /* * We assume the state of these features now, so macros don't exist for * them any more. */ if (sbp->sb_versionnum & XFS_SB_VERSION_NLINKBIT) strcat(s, ",NLINK"); if (sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT) strcat(s, ",SHARED"); if (sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT) strcat(s, ",DIRV2"); if (xfs_sb_version_hasattr(sbp)) strcat(s, ",ATTR"); if (xfs_sb_version_hasquota(sbp)) strcat(s, ",QUOTA"); if (xfs_sb_version_hasalign(sbp)) strcat(s, ",ALIGN"); if (xfs_sb_version_hasdalign(sbp)) strcat(s, ",DALIGN"); if (xfs_sb_version_haslogv2(sbp)) strcat(s, ",LOGV2"); if (xfs_sb_version_hasextflgbit(sbp)) strcat(s, ",EXTFLG"); if (xfs_sb_version_hassector(sbp)) strcat(s, ",SECTOR"); if (xfs_sb_version_hasasciici(sbp)) strcat(s, ",ASCII_CI"); if (xfs_sb_version_hasmorebits(sbp)) strcat(s, ",MOREBITS"); if (xfs_sb_version_hasattr2(sbp)) strcat(s, ",ATTR2"); if (xfs_sb_version_haslazysbcount(sbp)) strcat(s, ",LAZYSBCOUNT"); if (xfs_sb_version_hasprojid32bit(sbp)) strcat(s, ",PROJID32BIT"); if (xfs_sb_version_hascrc(sbp)) strcat(s, ",CRC"); if (xfs_sb_version_hasftype(sbp)) strcat(s, ",FTYPE"); if (xfs_sb_version_hasfinobt(sbp)) strcat(s, ",FINOBT"); if (xfs_sb_version_hassparseinodes(sbp)) strcat(s, ",SPARSE_INODES"); if (xfs_sb_version_hasmetauuid(sbp)) strcat(s, ",META_UUID"); return s; }
int xfs_da_mount( struct xfs_mount *mp) { struct xfs_da_geometry *dageo; int nodehdr_size; ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT); ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <= XFS_MAX_BLOCKSIZE); mp->m_dir_inode_ops = xfs_dir_get_ops(mp, NULL); mp->m_nondir_inode_ops = xfs_nondir_get_ops(mp, NULL); nodehdr_size = mp->m_dir_inode_ops->node_hdr_size; mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry), KM_SLEEP | KM_MAYFAIL); mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry), KM_SLEEP | KM_MAYFAIL); if (!mp->m_dir_geo || !mp->m_attr_geo) { kmem_free(mp->m_dir_geo); kmem_free(mp->m_attr_geo); return -ENOMEM; } /* set up directory geometry */ dageo = mp->m_dir_geo; dageo->blklog = mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog; dageo->fsblog = mp->m_sb.sb_blocklog; dageo->blksize = 1 << dageo->blklog; dageo->fsbcount = 1 << mp->m_sb.sb_dirblklog; /* * Now we've set up the block conversion variables, we can calculate the * segment block constants using the geometry structure. */ dageo->datablk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_DATA_OFFSET); dageo->leafblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_LEAF_OFFSET); dageo->freeblk = xfs_dir2_byte_to_da(dageo, XFS_DIR2_FREE_OFFSET); dageo->node_ents = (dageo->blksize - nodehdr_size) / (uint)sizeof(xfs_da_node_entry_t); dageo->magicpct = (dageo->blksize * 37) / 100; /* set up attribute geometry - single fsb only */ dageo = mp->m_attr_geo; dageo->blklog = mp->m_sb.sb_blocklog; dageo->fsblog = mp->m_sb.sb_blocklog; dageo->blksize = 1 << dageo->blklog; dageo->fsbcount = 1; dageo->node_ents = (dageo->blksize - nodehdr_size) / (uint)sizeof(xfs_da_node_entry_t); dageo->magicpct = (dageo->blksize * 37) / 100; if (xfs_sb_version_hasasciici(&mp->m_sb)) mp->m_dirnameops = &xfs_ascii_ci_nameops; else mp->m_dirnameops = &xfs_default_nameops; return 0; }
/* * Initialize the Linux inode, set up the operation vectors and * unlock the inode. * * When reading existing inodes from disk this is called directly * from xfs_iget, when creating a new inode it is called from * xfs_ialloc after setting up the inode. * * We are always called with an uninitialised linux inode here. * We need to initialise the necessary fields and take a reference * on it. */ void xfs_setup_inode( struct xfs_inode *ip) { struct inode *inode = &ip->i_vnode; inode->i_ino = ip->i_ino; inode->i_state = I_NEW; inode_sb_list_add(inode); /* make the inode look hashed for the writeback code */ hlist_add_fake(&inode->i_hash); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; inode->i_uid = ip->i_d.di_uid; inode->i_gid = ip->i_d.di_gid; switch (inode->i_mode & S_IFMT) { case S_IFBLK: case S_IFCHR: inode->i_rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff, sysv_minor(ip->i_df.if_u2.if_rdev)); break; default: inode->i_rdev = 0; break; } inode->i_generation = ip->i_d.di_gen; i_size_write(inode, ip->i_d.di_size); inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec; inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec; inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec; inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec; inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec; inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec; xfs_diflags_to_iflags(inode, ip); switch (inode->i_mode & S_IFMT) { case S_IFREG: inode->i_op = &xfs_inode_operations; inode->i_fop = &xfs_file_operations; inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb)) inode->i_op = &xfs_dir_ci_inode_operations; else inode->i_op = &xfs_dir_inode_operations; inode->i_fop = &xfs_dir_file_operations; break; case S_IFLNK: inode->i_op = &xfs_symlink_inode_operations; if (!(ip->i_df.if_flags & XFS_IFINLINE)) inode->i_mapping->a_ops = &xfs_address_space_operations; break; default: inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } /* * If there is no attribute fork no ACL can exist on this inode, * and it can't have any file capabilities attached to it either. */ if (!XFS_IFORK_Q(ip)) { inode_has_no_xattr(inode); cache_no_acl(inode); } xfs_iflags_clear(ip, XFS_INEW); barrier(); unlock_new_inode(inode); }
/* * Initialize the Linux inode, set up the operation vectors and * unlock the inode. * * When reading existing inodes from disk this is called directly * from xfs_iget, when creating a new inode it is called from * xfs_ialloc after setting up the inode. * * We are always called with an uninitialised linux inode here. * We need to initialise the necessary fields and take a reference * on it. */ void xfs_setup_inode( struct xfs_inode *ip) { struct inode *inode = &ip->i_vnode; gfp_t gfp_mask; inode->i_ino = ip->i_ino; inode->i_state = I_NEW|I_LOCK; inode_add_to_lists(ip->i_mount->m_super, inode); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; inode->i_uid = ip->i_d.di_uid; inode->i_gid = ip->i_d.di_gid; switch (inode->i_mode & S_IFMT) { case S_IFBLK: case S_IFCHR: inode->i_rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff, sysv_minor(ip->i_df.if_u2.if_rdev)); break; default: inode->i_rdev = 0; break; } inode->i_generation = ip->i_d.di_gen; i_size_write(inode, ip->i_d.di_size); inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec; inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec; inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec; inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec; inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec; inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec; xfs_diflags_to_iflags(inode, ip); switch (inode->i_mode & S_IFMT) { case S_IFREG: inode->i_op = &xfs_inode_operations; inode->i_fop = &xfs_file_operations; inode->i_mapping->a_ops = &xfs_address_space_operations; break; case S_IFDIR: if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb)) inode->i_op = &xfs_dir_ci_inode_operations; else inode->i_op = &xfs_dir_inode_operations; inode->i_fop = &xfs_dir_file_operations; break; case S_IFLNK: inode->i_op = &xfs_symlink_inode_operations; if (!(ip->i_df.if_flags & XFS_IFINLINE)) inode->i_mapping->a_ops = &xfs_address_space_operations; break; default: inode->i_op = &xfs_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); break; } /* * Ensure all page cache allocations are done from GFP_NOFS context to * prevent direct reclaim recursion back into the filesystem and blowing * stacks or deadlocking. */ gfp_mask = mapping_gfp_mask(inode->i_mapping); mapping_set_gfp_mask(inode->i_mapping, (gfp_mask & ~(__GFP_FS))); xfs_iflags_clear(ip, XFS_INEW); barrier(); unlock_new_inode(inode); }