[54/67] xfs: make if_data a void pointer

Message ID	20240422163832.858420-56-cem@kernel.org (mailing list archive)
State	Accepted, archived
Headers	show Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A24B2EB11 for <linux-xfs@vger.kernel.org>; Mon, 22 Apr 2024 16:40:30 +0000 (UTC) From: cem@kernel.org To: linux-xfs@vger.kernel.org Cc: djwong@kernel.org, hch@lst.de Subject: [PATCH 54/67] xfs: make if_data a void pointer Date: Mon, 22 Apr 2024 18:26:16 +0200 Message-ID: <20240422163832.858420-56-cem@kernel.org> In-Reply-To: <20240422163832.858420-2-cem@kernel.org> References: <20240422163832.858420-2-cem@kernel.org> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	libxfs: Sync to Linux 6.8 \| expand [00/67] libxfs: Sync to Linux 6.8 [01/67] xfs: use xfs_defer_pending objects to recover intent items [02/67] xfs: recreate work items when recovering intent items [03/67] xfs: use xfs_defer_finish_one to finish recovered work items [04/67] xfs: move ->iop_recover to xfs_defer_op_type [05/67] xfs: hoist intent done flag setting to ->finish_item callsite [06/67] xfs: hoist ->create_intent boilerplate to its callsite [07/67] xfs: use xfs_defer_create_done for the relogging operation [08/67] xfs: clean out XFS_LI_DIRTY setting boilerplate from ->iop_relog [09/67] xfs: hoist xfs_trans_add_item calls to defer ops functions [10/67] xfs: move ->iop_relog to struct xfs_defer_op_type [11/67] xfs: make rextslog computation consistent with mkfs [12/67] xfs: fix 32-bit truncation in xfs_compute_rextslog [13/67] xfs: don't allow overly small or large realtime volumes [14/67] xfs: elide ->create_done calls for unlogged deferred work [15/67] xfs: don't append work items to logged xfs_defer_pending objects [16/67] xfs: allow pausing of pending deferred work items [17/67] xfs: remove __xfs_free_extent_later [18/67] xfs: automatic freeing of freshly allocated unwritten space [19/67] xfs: remove unused fields from struct xbtree_ifakeroot [20/67] xfs: force small EFIs for reaping btree extents [21/67] xfs: ensure logflagsp is initialized in xfs_bmap_del_extent_real [22/67] xfs: update dir3 leaf block metadata after swap [23/67] xfs: extract xfs_da_buf_copy() helper function [24/67] xfs: move xfs_ondisk.h to libxfs/ [25/67] xfs: consolidate the xfs_attr_defer_* helpers [26/67] xfs: store an ops pointer in struct xfs_defer_pending [27/67] xfs: pass the defer ops instead of type to xfs_defer_start_recovery [28/67] xfs: pass the defer ops directly to xfs_defer_add [29/67] xfs: force all buffers to be written during btree bulk load [30/67] xfs: set XBF_DONE on newly formatted btree block that are ready for writing [31/67] xfs: read leaf blocks when computing keys for bulkloading into node blocks [32/67] xfs: move btree bulkload record initialization to ->get_record implementations [33/67] xfs: constrain dirty buffers while formatting a staged btree [34/67] xfs: repair free space btrees [35/67] xfs: repair inode btrees [36/67] xfs: repair refcount btrees [37/67] xfs: dont cast to char * for XFS_DFORK_PTR macros [38/67] xfs: set inode sick state flags when we zap either ondisk fork [39/67] xfs: zap broken inode forks [40/67] xfs: repair inode fork block mapping data structures [41/67] xfs: create a ranged query function for refcount btrees [42/67] xfs: create a new inode fork block unmap helper [43/67] xfs: improve dquot iteration for scrub [44/67] xfs: add lock protection when remove perag from radix tree [45/67] xfs: fix perag leak when growfs fails [46/67] xfs: remove the xfs_alloc_arg argument to xfs_bmap_btalloc_accounting [47/67] xfs: also use xfs_bmap_btalloc_accounting for RT allocations [48/67] xfs: return -ENOSPC from xfs_rtallocate_ [49/67] xfs: indicate if xfs_bmap_adjacent changed ap->blkno [50/67] xfs: move xfs_rtget_summary to xfs_rtbitmap.c [51/67] xfs: split xfs_rtmodify_summary_int [52/67] xfs: remove rt-wrappers from xfs_format.h [53/67] xfs: remove XFS_RTMIN/XFS_RTMAX [54/67] xfs: make if_data a void pointer [55/67] xfs: return if_data from xfs_idata_realloc [56/67] xfs: move the xfs_attr_sf_lookup tracepoint [57/67] xfs: simplify xfs_attr_sf_findname [58/67] xfs: remove xfs_attr_shortform_lookup [59/67] xfs: use xfs_attr_sf_findname in xfs_attr_shortform_getvalue [60/67] xfs: remove struct xfs_attr_shortform [61/67] xfs: remove xfs_attr_sf_hdr_t [62/67] xfs: turn the XFS_DA_OP_REPLACE checks in xfs_attr_shortform_addname into asserts [63/67] xfs: fix a use after free in xfs_defer_finish_recovery [64/67] xfs: use the op name in trace_xlog_intent_recovery_failed [65/67] xfs: fix backwards logic in xfs_bmap_alloc_account [66/67] xfs: reset XFS_ATTR_INCOMPLETE filter on node removal [67/67] xfs: remove conditional building of rt geometry validator functions

diff --git a/db/namei.c b/db/namei.c index 063721ca9..80252b902 100644 --- a/db/namei.c +++ b/db/namei.c @@ -290,13 +290,12 @@ list_sfdir( struct xfs_mount *mp = dp->i_mount; struct xfs_da_geometry *geo = args->geo; struct xfs_dir2_sf_entry *sfep; - struct xfs_dir2_sf_hdr *sfp; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; xfs_ino_t ino; xfs_dir2_dataptr_t off; unsigned int i; uint8_t filetype; - sfp = (struct xfs_dir2_sf_hdr *)dp->i_df.if_u1.if_data; /* . and .. entries */ off = xfs_dir2_db_off_to_dataptr(geo, geo->datablk, diff --git a/libxfs/util.c b/libxfs/util.c index 8517bfb64..8cea0c150 100644 --- a/libxfs/util.c +++ b/libxfs/util.c @@ -316,7 +316,7 @@ libxfs_init_new_inode( case S_IFLNK: ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS; ip->i_df.if_bytes = 0; - ip->i_df.if_u1.if_root = NULL; + ip->i_df.if_data = NULL; break; default: ASSERT(0); diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c index cb6c8d081..d7512efd4 100644 --- a/libxfs/xfs_attr.c +++ b/libxfs/xfs_attr.c @@ -1047,9 +1047,8 @@ out_trans_cancel: static inline int xfs_attr_sf_totsize(struct xfs_inode *dp) { - struct xfs_attr_shortform *sf; + struct xfs_attr_shortform *sf = dp->i_af.if_data; - sf = (struct xfs_attr_shortform *)dp->i_af.if_u1.if_data; return be16_to_cpu(sf->hdr.totsize); } diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c index 8329348eb..5ab52bf1a 100644 --- a/libxfs/xfs_attr_leaf.c +++ b/libxfs/xfs_attr_leaf.c @@ -688,7 +688,7 @@ xfs_attr_shortform_create( if (ifp->if_format == XFS_DINODE_FMT_EXTENTS) ifp->if_format = XFS_DINODE_FMT_LOCAL; xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK); - hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data; + hdr = ifp->if_data; memset(hdr, 0, sizeof(*hdr)); hdr->totsize = cpu_to_be16(sizeof(*hdr)); xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA); @@ -709,14 +709,13 @@ xfs_attr_sf_findname( struct xfs_attr_sf_entry **sfep, unsigned int *basep) { - struct xfs_attr_shortform *sf; + struct xfs_attr_shortform *sf = args->dp->i_af.if_data; struct xfs_attr_sf_entry *sfe; unsigned int base = sizeof(struct xfs_attr_sf_hdr); int size = 0; int end; int i; - sf = (struct xfs_attr_shortform *)args->dp->i_af.if_u1.if_data; sfe = &sf->list[0]; end = sf->hdr.count; for (i = 0; i < end; sfe = xfs_attr_sf_nextentry(sfe), @@ -748,29 +747,25 @@ xfs_attr_shortform_add( struct xfs_da_args *args, int forkoff) { - struct xfs_attr_shortform *sf; + struct xfs_inode *dp = args->dp; + struct xfs_mount *mp = dp->i_mount; + struct xfs_ifork *ifp = &dp->i_af; + struct xfs_attr_shortform *sf = ifp->if_data; struct xfs_attr_sf_entry *sfe; int offset, size; - struct xfs_mount *mp; - struct xfs_inode *dp; - struct xfs_ifork *ifp; trace_xfs_attr_sf_add(args); - dp = args->dp; - mp = dp->i_mount; dp->i_forkoff = forkoff; - ifp = &dp->i_af; ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL); - sf = (struct xfs_attr_shortform *)ifp->if_u1.if_data; if (xfs_attr_sf_findname(args, &sfe, NULL) == -EEXIST) ASSERT(0); offset = (char *)sfe - (char *)sf; size = xfs_attr_sf_entsize_byname(args->namelen, args->valuelen); xfs_idata_realloc(dp, size, XFS_ATTR_FORK); - sf = (struct xfs_attr_shortform *)ifp->if_u1.if_data; + sf = ifp->if_data; sfe = (struct xfs_attr_sf_entry *)((char *)sf + offset); sfe->namelen = args->namelen; @@ -808,20 +803,16 @@ int xfs_attr_sf_removename( struct xfs_da_args *args) { - struct xfs_attr_shortform *sf; + struct xfs_inode *dp = args->dp; + struct xfs_mount *mp = dp->i_mount; + struct xfs_attr_shortform *sf = dp->i_af.if_data; struct xfs_attr_sf_entry *sfe; int size = 0, end, totsize; unsigned int base; - struct xfs_mount *mp; - struct xfs_inode *dp; int error; trace_xfs_attr_sf_remove(args); - dp = args->dp; - mp = dp->i_mount; - sf = (struct xfs_attr_shortform *)dp->i_af.if_u1.if_data; - error = xfs_attr_sf_findname(args, &sfe, &base); /* @@ -875,18 +866,17 @@ xfs_attr_sf_removename( */ /*ARGSUSED*/ int -xfs_attr_shortform_lookup(xfs_da_args_t *args) +xfs_attr_shortform_lookup( + struct xfs_da_args *args) { - struct xfs_attr_shortform *sf; - struct xfs_attr_sf_entry *sfe; - int i; - struct xfs_ifork *ifp; + struct xfs_ifork *ifp = &args->dp->i_af; + struct xfs_attr_shortform *sf = ifp->if_data; + struct xfs_attr_sf_entry *sfe; + int i; trace_xfs_attr_sf_lookup(args); - ifp = &args->dp->i_af; ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL); - sf = (struct xfs_attr_shortform *)ifp->if_u1.if_data; sfe = &sf->list[0]; for (i = 0; i < sf->hdr.count; sfe = xfs_attr_sf_nextentry(sfe), i++) { @@ -906,14 +896,13 @@ xfs_attr_shortform_lookup(xfs_da_args_t *args) */ int xfs_attr_shortform_getvalue( - struct xfs_da_args *args) + struct xfs_da_args *args) { - struct xfs_attr_shortform *sf; - struct xfs_attr_sf_entry *sfe; - int i; + struct xfs_attr_shortform *sf = args->dp->i_af.if_data; + struct xfs_attr_sf_entry *sfe; + int i; ASSERT(args->dp->i_af.if_format == XFS_DINODE_FMT_LOCAL); - sf = (struct xfs_attr_shortform *)args->dp->i_af.if_u1.if_data; sfe = &sf->list[0]; for (i = 0; i < sf->hdr.count; sfe = xfs_attr_sf_nextentry(sfe), i++) { @@ -930,25 +919,22 @@ int xfs_attr_shortform_to_leaf( struct xfs_da_args *args) { - struct xfs_inode *dp; - struct xfs_attr_shortform *sf; + struct xfs_inode *dp = args->dp; + struct xfs_ifork *ifp = &dp->i_af; + struct xfs_attr_shortform *sf = ifp->if_data; struct xfs_attr_sf_entry *sfe; struct xfs_da_args nargs; char *tmpbuffer; int error, i, size; xfs_dablk_t blkno; struct xfs_buf *bp; - struct xfs_ifork *ifp; trace_xfs_attr_sf_to_leaf(args); - dp = args->dp; - ifp = &dp->i_af; - sf = (struct xfs_attr_shortform *)ifp->if_u1.if_data; size = be16_to_cpu(sf->hdr.totsize); tmpbuffer = kmem_alloc(size, 0); ASSERT(tmpbuffer != NULL); - memcpy(tmpbuffer, ifp->if_u1.if_data, size); + memcpy(tmpbuffer, ifp->if_data, size); sf = (struct xfs_attr_shortform *)tmpbuffer; xfs_idata_realloc(dp, -size, XFS_ATTR_FORK); diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c index b977032d8..5e6a5e1f3 100644 --- a/libxfs/xfs_bmap.c +++ b/libxfs/xfs_bmap.c @@ -741,7 +741,7 @@ xfs_bmap_local_to_extents_empty( ASSERT(ifp->if_nextents == 0); xfs_bmap_forkoff_reset(ip, whichfork); - ifp->if_u1.if_root = NULL; + ifp->if_data = NULL; ifp->if_height = 0; ifp->if_format = XFS_DINODE_FMT_EXTENTS; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); @@ -826,7 +826,7 @@ xfs_bmap_local_to_extents( xfs_bmap_local_to_extents_empty(tp, ip, whichfork); flags |= XFS_ILOG_CORE; - ifp->if_u1.if_root = NULL; + ifp->if_data = NULL; ifp->if_height = 0; rec.br_startoff = 0; diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c index c19684b34..a781520c8 100644 --- a/libxfs/xfs_dir2.c +++ b/libxfs/xfs_dir2.c @@ -195,7 +195,7 @@ xfs_dir_isempty( return 1; if (dp->i_disk_size > xfs_inode_data_fork_size(dp)) return 0; - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; return !sfp->count; } diff --git a/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c index bb9301b76..bf950c700 100644 --- a/libxfs/xfs_dir2_block.c +++ b/libxfs/xfs_dir2_block.c @@ -1086,7 +1086,7 @@ xfs_dir2_sf_to_block( int newoffset; /* offset from current entry */ unsigned int offset = geo->data_entry_offset; xfs_dir2_sf_entry_t *sfep; /* sf entry pointer */ - xfs_dir2_sf_hdr_t *oldsfp; /* old shortform header */ + struct xfs_dir2_sf_hdr *oldsfp = ifp->if_data; xfs_dir2_sf_hdr_t *sfp; /* shortform header */ __be16 *tagp; /* end of data entry */ struct xfs_name name; @@ -1096,10 +1096,8 @@ xfs_dir2_sf_to_block( ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL); ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent)); - oldsfp = (xfs_dir2_sf_hdr_t *)ifp->if_u1.if_data; - ASSERT(ifp->if_bytes == dp->i_disk_size); - ASSERT(ifp->if_u1.if_data != NULL); + ASSERT(oldsfp != NULL); ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count)); ASSERT(dp->i_df.if_nextents == 0); diff --git a/libxfs/xfs_dir2_sf.c b/libxfs/xfs_dir2_sf.c index 260eccacf..b2b43e937 100644 --- a/libxfs/xfs_dir2_sf.c +++ b/libxfs/xfs_dir2_sf.c @@ -364,25 +364,23 @@ int /* error */ xfs_dir2_sf_addname( xfs_da_args_t *args) /* operation arguments */ { - xfs_inode_t *dp; /* incore directory inode */ + struct xfs_inode *dp = args->dp; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int error; /* error return value */ int incr_isize; /* total change in size */ int new_isize; /* size after adding name */ int objchange; /* changing to 8-byte inodes */ xfs_dir2_data_aoff_t offset = 0; /* offset for new entry */ int pick; /* which algorithm to use */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ xfs_dir2_sf_entry_t *sfep = NULL; /* shortform entry */ trace_xfs_dir2_sf_addname(args); ASSERT(xfs_dir2_sf_lookup(args) == -ENOENT); - dp = args->dp; ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL); ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent)); ASSERT(dp->i_df.if_bytes == dp->i_disk_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(sfp != NULL); ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Compute entry (and change in) size. @@ -462,11 +460,9 @@ xfs_dir2_sf_addname_easy( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; - int byteoff; /* byte offset in sf dir */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; + int byteoff = (int)((char *)sfep - (char *)sfp); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - byteoff = (int)((char *)sfep - (char *)sfp); /* * Grow the in-inode space. */ @@ -475,7 +471,7 @@ xfs_dir2_sf_addname_easy( /* * Need to set up again due to realloc of the inode data. */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; sfep = (xfs_dir2_sf_entry_t *)((char *)sfp + byteoff); /* * Fill in the new entry. @@ -528,11 +524,10 @@ xfs_dir2_sf_addname_hard( /* * Copy the old directory to the stack buffer. */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; old_isize = (int)dp->i_disk_size; buf = kmem_alloc(old_isize, 0); oldsfp = (xfs_dir2_sf_hdr_t *)buf; - memcpy(oldsfp, sfp, old_isize); + memcpy(oldsfp, dp->i_df.if_data, old_isize); /* * Loop over the old directory finding the place we're going * to insert the new entry. @@ -560,7 +555,7 @@ xfs_dir2_sf_addname_hard( /* * Reset the pointer since the buffer was reallocated. */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; /* * Copy the first part of the directory, including the header. */ @@ -610,11 +605,10 @@ xfs_dir2_sf_addname_pick( int i; /* entry number */ xfs_dir2_data_aoff_t offset; /* data block offset */ xfs_dir2_sf_entry_t *sfep; /* shortform entry */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int size; /* entry's data size */ int used; /* data bytes used */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; size = xfs_dir2_data_entsize(mp, args->namelen); offset = args->geo->data_first_offset; sfep = xfs_dir2_sf_firstentry(sfp); @@ -673,14 +667,13 @@ xfs_dir2_sf_check( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int i; /* entry number */ int i8count; /* number of big inode#s */ xfs_ino_t ino; /* entry inode number */ int offset; /* data offset */ xfs_dir2_sf_entry_t *sfep; /* shortform dir entry */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; offset = args->geo->data_first_offset; ino = xfs_dir2_sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; @@ -834,7 +827,7 @@ xfs_dir2_sf_create( /* * Fill in the header, */ - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; sfp->i8count = i8count; /* * Now can put in the inode number, since i8count is set. @@ -857,9 +850,9 @@ xfs_dir2_sf_lookup( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int i; /* entry index */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ enum xfs_dacmp cmp; /* comparison result */ xfs_dir2_sf_entry_t *ci_sfep; /* case-insens. entry */ @@ -870,8 +863,7 @@ xfs_dir2_sf_lookup( ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL); ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent)); ASSERT(dp->i_df.if_bytes == dp->i_disk_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(sfp != NULL); ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Special case for . @@ -933,13 +925,13 @@ xfs_dir2_sf_removename( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int byteoff; /* offset of removed entry */ int entsize; /* this entry's size */ int i; /* shortform entry index */ int newsize; /* new inode size */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ trace_xfs_dir2_sf_removename(args); @@ -947,8 +939,7 @@ xfs_dir2_sf_removename( oldsize = (int)dp->i_disk_size; ASSERT(oldsize >= offsetof(struct xfs_dir2_sf_hdr, parent)); ASSERT(dp->i_df.if_bytes == oldsize); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(sfp != NULL); ASSERT(oldsize >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* * Loop over the old directory entries. @@ -989,7 +980,7 @@ xfs_dir2_sf_removename( * Reallocate, making it smaller. */ xfs_idata_realloc(dp, newsize - oldsize, XFS_DATA_FORK); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; /* * Are we changing inode number size? */ @@ -1012,13 +1003,12 @@ xfs_dir2_sf_replace_needblock( struct xfs_inode *dp, xfs_ino_t inum) { + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int newsize; - struct xfs_dir2_sf_hdr *sfp; if (dp->i_df.if_format != XFS_DINODE_FMT_LOCAL) return false; - sfp = (struct xfs_dir2_sf_hdr *)dp->i_df.if_u1.if_data; newsize = dp->i_df.if_bytes + (sfp->count + 1) * XFS_INO64_DIFF; return inum > XFS_DIR2_MAX_SHORT_INUM && @@ -1034,19 +1024,18 @@ xfs_dir2_sf_replace( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *sfp = dp->i_df.if_data; int i; /* entry index */ xfs_ino_t ino=0; /* entry old inode number */ int i8elevated; /* sf_toino8 set i8count=1 */ xfs_dir2_sf_entry_t *sfep; /* shortform directory entry */ - xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ trace_xfs_dir2_sf_replace(args); ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL); ASSERT(dp->i_disk_size >= offsetof(struct xfs_dir2_sf_hdr, parent)); ASSERT(dp->i_df.if_bytes == dp->i_disk_size); - ASSERT(dp->i_df.if_u1.if_data != NULL); - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + ASSERT(sfp != NULL); ASSERT(dp->i_disk_size >= xfs_dir2_sf_hdr_size(sfp->i8count)); /* @@ -1069,7 +1058,7 @@ xfs_dir2_sf_replace( */ xfs_dir2_sf_toino8(args); i8elevated = 1; - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; } else i8elevated = 0; @@ -1150,11 +1139,11 @@ xfs_dir2_sf_toino4( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *oldsfp = dp->i_df.if_data; char *buf; /* old dir's buffer */ int i; /* entry index */ int newsize; /* new inode size */ xfs_dir2_sf_entry_t *oldsfep; /* old sf entry */ - xfs_dir2_sf_hdr_t *oldsfp; /* old sf directory */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* new sf entry */ xfs_dir2_sf_hdr_t *sfp; /* new sf directory */ @@ -1168,7 +1157,6 @@ xfs_dir2_sf_toino4( */ oldsize = dp->i_df.if_bytes; buf = kmem_alloc(oldsize, 0); - oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; ASSERT(oldsfp->i8count == 1); memcpy(buf, oldsfp, oldsize); /* @@ -1181,7 +1169,7 @@ xfs_dir2_sf_toino4( * Reset our pointers, the data has moved. */ oldsfp = (xfs_dir2_sf_hdr_t *)buf; - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; /* * Fill in the new header. */ @@ -1223,11 +1211,11 @@ xfs_dir2_sf_toino8( { struct xfs_inode *dp = args->dp; struct xfs_mount *mp = dp->i_mount; + struct xfs_dir2_sf_hdr *oldsfp = dp->i_df.if_data; char *buf; /* old dir's buffer */ int i; /* entry index */ int newsize; /* new inode size */ xfs_dir2_sf_entry_t *oldsfep; /* old sf entry */ - xfs_dir2_sf_hdr_t *oldsfp; /* old sf directory */ int oldsize; /* old inode size */ xfs_dir2_sf_entry_t *sfep; /* new sf entry */ xfs_dir2_sf_hdr_t *sfp; /* new sf directory */ @@ -1241,7 +1229,6 @@ xfs_dir2_sf_toino8( */ oldsize = dp->i_df.if_bytes; buf = kmem_alloc(oldsize, 0); - oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; ASSERT(oldsfp->i8count == 0); memcpy(buf, oldsfp, oldsize); /* @@ -1254,7 +1241,7 @@ xfs_dir2_sf_toino8( * Reset our pointers, the data has moved. */ oldsfp = (xfs_dir2_sf_hdr_t *)buf; - sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; + sfp = dp->i_df.if_data; /* * Fill in the new header. */ diff --git a/libxfs/xfs_iext_tree.c b/libxfs/xfs_iext_tree.c index 5d0be2dc8..24124039f 100644 --- a/libxfs/xfs_iext_tree.c +++ b/libxfs/xfs_iext_tree.c @@ -158,7 +158,7 @@ static void * xfs_iext_find_first_leaf( struct xfs_ifork *ifp) { - struct xfs_iext_node *node = ifp->if_u1.if_root; + struct xfs_iext_node *node = ifp->if_data; int height; if (!ifp->if_height) @@ -176,7 +176,7 @@ static void * xfs_iext_find_last_leaf( struct xfs_ifork *ifp) { - struct xfs_iext_node *node = ifp->if_u1.if_root; + struct xfs_iext_node *node = ifp->if_data; int height, i; if (!ifp->if_height) @@ -306,7 +306,7 @@ xfs_iext_find_level( xfs_fileoff_t offset, int level) { - struct xfs_iext_node *node = ifp->if_u1.if_root; + struct xfs_iext_node *node = ifp->if_data; int height, i; if (!ifp->if_height) @@ -402,12 +402,12 @@ xfs_iext_grow( int i; if (ifp->if_height == 1) { - struct xfs_iext_leaf *prev = ifp->if_u1.if_root; + struct xfs_iext_leaf *prev = ifp->if_data; node->keys[0] = xfs_iext_leaf_key(prev, 0); node->ptrs[0] = prev; } else { - struct xfs_iext_node *prev = ifp->if_u1.if_root; + struct xfs_iext_node *prev = ifp->if_data; ASSERT(ifp->if_height > 1); @@ -418,7 +418,7 @@ xfs_iext_grow( for (i = 1; i < KEYS_PER_NODE; i++) node->keys[i] = XFS_IEXT_KEY_INVALID; - ifp->if_u1.if_root = node; + ifp->if_data = node; ifp->if_height++; } @@ -430,7 +430,7 @@ xfs_iext_update_node( int level, void *ptr) { - struct xfs_iext_node *node = ifp->if_u1.if_root; + struct xfs_iext_node *node = ifp->if_data; int height, i; for (height = ifp->if_height; height > level; height--) { @@ -583,11 +583,11 @@ xfs_iext_alloc_root( { ASSERT(ifp->if_bytes == 0); - ifp->if_u1.if_root = kmem_zalloc(sizeof(struct xfs_iext_rec), KM_NOFS); + ifp->if_data = kmem_zalloc(sizeof(struct xfs_iext_rec), KM_NOFS); ifp->if_height = 1; /* now that we have a node step into it */ - cur->leaf = ifp->if_u1.if_root; + cur->leaf = ifp->if_data; cur->pos = 0; } @@ -603,9 +603,9 @@ xfs_iext_realloc_root( if (new_size / sizeof(struct xfs_iext_rec) == RECS_PER_LEAF) new_size = NODE_SIZE; - new = krealloc(ifp->if_u1.if_root, new_size, GFP_NOFS | __GFP_NOFAIL); + new = krealloc(ifp->if_data, new_size, GFP_NOFS | __GFP_NOFAIL); memset(new + ifp->if_bytes, 0, new_size - ifp->if_bytes); - ifp->if_u1.if_root = new; + ifp->if_data = new; cur->leaf = new; } @@ -786,8 +786,8 @@ again: * If we are at the root and only one entry is left we can just * free this node and update the root pointer. */ - ASSERT(node == ifp->if_u1.if_root); - ifp->if_u1.if_root = node->ptrs[0]; + ASSERT(node == ifp->if_data); + ifp->if_data = node->ptrs[0]; ifp->if_height--; kmem_free(node); } @@ -863,8 +863,8 @@ xfs_iext_free_last_leaf( struct xfs_ifork *ifp) { ifp->if_height--; - kmem_free(ifp->if_u1.if_root); - ifp->if_u1.if_root = NULL; + kmem_free(ifp->if_data); + ifp->if_data = NULL; } void @@ -881,7 +881,7 @@ xfs_iext_remove( trace_xfs_iext_remove(ip, cur, state, _RET_IP_); ASSERT(ifp->if_height > 0); - ASSERT(ifp->if_u1.if_root != NULL); + ASSERT(ifp->if_data != NULL); ASSERT(xfs_iext_valid(ifp, cur)); xfs_iext_inc_seq(ifp); @@ -1051,9 +1051,9 @@ void xfs_iext_destroy( struct xfs_ifork *ifp) { - xfs_iext_destroy_node(ifp->if_u1.if_root, ifp->if_height); + xfs_iext_destroy_node(ifp->if_data, ifp->if_height); ifp->if_bytes = 0; ifp->if_height = 0; - ifp->if_u1.if_root = NULL; + ifp->if_data = NULL; } diff --git a/libxfs/xfs_inode_fork.c b/libxfs/xfs_inode_fork.c index 80f4215d2..fbcda5f54 100644 --- a/libxfs/xfs_inode_fork.c +++ b/libxfs/xfs_inode_fork.c @@ -48,12 +48,15 @@ xfs_init_local_fork( mem_size++; if (size) { - ifp->if_u1.if_data = kmem_alloc(mem_size, KM_NOFS); - memcpy(ifp->if_u1.if_data, data, size); + char *new_data = kmem_alloc(mem_size, KM_NOFS); + + memcpy(new_data, data, size); if (zero_terminate) - ifp->if_u1.if_data[size] = '\0'; + new_data[size] = '\0'; + + ifp->if_data = new_data; } else { - ifp->if_u1.if_data = NULL; + ifp->if_data = NULL; } ifp->if_bytes = size; @@ -123,7 +126,7 @@ xfs_iformat_extents( } ifp->if_bytes = 0; - ifp->if_u1.if_root = NULL; + ifp->if_data = NULL; ifp->if_height = 0; if (size) { dp = (xfs_bmbt_rec_t *) XFS_DFORK_PTR(dip, whichfork); @@ -210,7 +213,7 @@ xfs_iformat_btree( ifp->if_broot, size); ifp->if_bytes = 0; - ifp->if_u1.if_root = NULL; + ifp->if_data = NULL; ifp->if_height = 0; return 0; } @@ -507,14 +510,14 @@ xfs_idata_realloc( return; if (new_size == 0) { - kmem_free(ifp->if_u1.if_data); - ifp->if_u1.if_data = NULL; + kmem_free(ifp->if_data); + ifp->if_data = NULL; ifp->if_bytes = 0; return; } - ifp->if_u1.if_data = krealloc(ifp->if_u1.if_data, new_size, - GFP_NOFS | __GFP_NOFAIL); + ifp->if_data = krealloc(ifp->if_data, new_size, + GFP_NOFS | __GFP_NOFAIL); ifp->if_bytes = new_size; } @@ -530,8 +533,8 @@ xfs_idestroy_fork( switch (ifp->if_format) { case XFS_DINODE_FMT_LOCAL: - kmem_free(ifp->if_u1.if_data); - ifp->if_u1.if_data = NULL; + kmem_free(ifp->if_data); + ifp->if_data = NULL; break; case XFS_DINODE_FMT_EXTENTS: case XFS_DINODE_FMT_BTREE: @@ -624,9 +627,9 @@ xfs_iflush_fork( case XFS_DINODE_FMT_LOCAL: if ((iip->ili_fields & dataflag[whichfork]) && (ifp->if_bytes > 0)) { - ASSERT(ifp->if_u1.if_data != NULL); + ASSERT(ifp->if_data != NULL); ASSERT(ifp->if_bytes <= xfs_inode_fork_size(ip, whichfork)); - memcpy(cp, ifp->if_u1.if_data, ifp->if_bytes); + memcpy(cp, ifp->if_data, ifp->if_bytes); } break; @@ -704,17 +707,15 @@ xfs_ifork_verify_local_data( case S_IFDIR: { struct xfs_mount *mp = ip->i_mount; struct xfs_ifork *ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK); - struct xfs_dir2_sf_hdr *sfp; + struct xfs_dir2_sf_hdr *sfp = ifp->if_data; - sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data; fa = xfs_dir2_sf_verify(mp, sfp, ifp->if_bytes); break; } case S_IFLNK: { struct xfs_ifork *ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK); - fa = xfs_symlink_shortform_verify(ifp->if_u1.if_data, - ifp->if_bytes); + fa = xfs_symlink_shortform_verify(ifp->if_data, ifp->if_bytes); break; } default: @@ -723,7 +724,7 @@ xfs_ifork_verify_local_data( if (fa) { xfs_inode_verifier_error(ip, -EFSCORRUPTED, "data fork", - ip->i_df.if_u1.if_data, ip->i_df.if_bytes, fa); + ip->i_df.if_data, ip->i_df.if_bytes, fa); return -EFSCORRUPTED; } @@ -741,20 +742,14 @@ xfs_ifork_verify_local_attr( if (!xfs_inode_has_attr_fork(ip)) { fa = __this_address; } else { - struct xfs_attr_shortform *sfp; - struct xfs_ifork *ifp; - int64_t size; - - ASSERT(ip->i_af.if_format == XFS_DINODE_FMT_LOCAL); - ifp = xfs_ifork_ptr(ip, XFS_ATTR_FORK); - sfp = (struct xfs_attr_shortform *)ifp->if_u1.if_data; - size = ifp->if_bytes; + struct xfs_ifork *ifp = &ip->i_af; - fa = xfs_attr_shortform_verify(sfp, size); + ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL); + fa = xfs_attr_shortform_verify(ifp->if_data, ifp->if_bytes); } if (fa) { xfs_inode_verifier_error(ip, -EFSCORRUPTED, "attr fork", - ifp->if_u1.if_data, ifp->if_bytes, fa); + ifp->if_data, ifp->if_bytes, fa); return -EFSCORRUPTED; } diff --git a/libxfs/xfs_inode_fork.h b/libxfs/xfs_inode_fork.h index 535be5c03..7edcf0e8c 100644 --- a/libxfs/xfs_inode_fork.h +++ b/libxfs/xfs_inode_fork.h @@ -13,14 +13,12 @@ struct xfs_dinode; * File incore extent information, present for each of data & attr forks. */ struct xfs_ifork { - int64_t if_bytes; /* bytes in if_u1 */ + int64_t if_bytes; /* bytes in if_data */ struct xfs_btree_block *if_broot; /* file's incore btree root */ unsigned int if_seq; /* fork mod counter */ int if_height; /* height of the extent tree */ - union { - void *if_root; /* extent tree root */ - char *if_data; /* inline file data */ - } if_u1; + void *if_data; /* extent tree root or + inline data */ xfs_extnum_t if_nextents; /* # of extents in this fork */ short if_broot_bytes; /* bytes allocated for root */ int8_t if_format; /* format of this fork */ diff --git a/libxfs/xfs_symlink_remote.c b/libxfs/xfs_symlink_remote.c index cf894b527..fa90b1793 100644 --- a/libxfs/xfs_symlink_remote.c +++ b/libxfs/xfs_symlink_remote.c @@ -172,7 +172,7 @@ xfs_symlink_local_to_remote( if (!xfs_has_crc(mp)) { bp->b_ops = NULL; - memcpy(bp->b_addr, ifp->if_u1.if_data, ifp->if_bytes); + memcpy(bp->b_addr, ifp->if_data, ifp->if_bytes); xfs_trans_log_buf(tp, bp, 0, ifp->if_bytes - 1); return; } @@ -188,7 +188,7 @@ xfs_symlink_local_to_remote( buf = bp->b_addr; buf += xfs_symlink_hdr_set(mp, ip->i_ino, 0, ifp->if_bytes, bp); - memcpy(buf, ifp->if_u1.if_data, ifp->if_bytes); + memcpy(buf, ifp->if_data, ifp->if_bytes); xfs_trans_log_buf(tp, bp, 0, sizeof(struct xfs_dsymlink_hdr) + ifp->if_bytes - 1); } diff --git a/repair/phase6.c b/repair/phase6.c index 3870c5c93..1b4ec6f90 100644 --- a/repair/phase6.c +++ b/repair/phase6.c @@ -515,7 +515,7 @@ mk_rbmino(xfs_mount_t *mp) * now the ifork */ ip->i_df.if_bytes = 0; - ip->i_df.if_u1.if_root = NULL; + ip->i_df.if_data = NULL; ip->i_disk_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize; @@ -754,7 +754,7 @@ mk_rsumino(xfs_mount_t *mp) * now the ifork */ ip->i_df.if_bytes = 0; - ip->i_df.if_u1.if_root = NULL; + ip->i_df.if_data = NULL; ip->i_disk_size = mp->m_rsumsize; @@ -854,7 +854,7 @@ mk_root_dir(xfs_mount_t *mp) * now the ifork */ ip->i_df.if_bytes = 0; - ip->i_df.if_u1.if_root = NULL; + ip->i_df.if_data = NULL; /* * initialize the directory @@ -2456,7 +2456,7 @@ shortform_dir2_entry_check( { xfs_ino_t lino; xfs_ino_t parent; - struct xfs_dir2_sf_hdr *sfp; + struct xfs_dir2_sf_hdr *sfp = ip->i_df.if_data; struct xfs_dir2_sf_entry *sfep; struct xfs_dir2_sf_entry *next_sfep; struct xfs_ifork *ifp; @@ -2471,7 +2471,6 @@ shortform_dir2_entry_check( int i8; ifp = &ip->i_df; - sfp = (struct xfs_dir2_sf_hdr *) ifp->if_u1.if_data; *ino_dirty = 0; bytes_deleted = 0;

[54/67] xfs: make if_data a void pointer

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