From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Refactor the BULKSTAT_SINGLE and BULKSTAT ioctl callsites into helper functions. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- fsr/xfs_fsr.c | 104 ++++++++++++++++++++++------------------------------ include/xfrog.h | 7 ++++ io/open.c | 70 ++++++++++++++++++----------------- io/swapext.c | 19 ++-------- libfrog/Makefile | 1 + libfrog/bulkstat.c | 44 ++++++++++++++++++++++ quota/quot.c | 29 +++++++-------- scrub/inodes.c | 28 ++++---------- 8 files changed, 155 insertions(+), 147 deletions(-) create mode 100644 libfrog/bulkstat.c diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c index 0bfecf37..6c8def57 100644 --- a/fsr/xfs_fsr.c +++ b/fsr/xfs_fsr.c @@ -102,31 +102,6 @@ static int nfrags = 0; /* Debug option: Coerse into specific number * of extents */ static int openopts = O_CREAT|O_EXCL|O_RDWR|O_DIRECT; -static int -xfs_bulkstat_single(int fd, xfs_ino_t *lastip, xfs_bstat_t *ubuffer) -{ - xfs_fsop_bulkreq_t bulkreq; - - bulkreq.lastip = (__u64 *)lastip; - bulkreq.icount = 1; - bulkreq.ubuffer = ubuffer; - bulkreq.ocount = NULL; - return ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq); -} - -static int -xfs_bulkstat(int fd, xfs_ino_t *lastip, int icount, - xfs_bstat_t *ubuffer, __s32 *ocount) -{ - xfs_fsop_bulkreq_t bulkreq; - - bulkreq.lastip = (__u64 *)lastip; - bulkreq.icount = icount; - bulkreq.ubuffer = ubuffer; - bulkreq.ocount = ocount; - return ioctl(fd, XFS_IOC_FSBULKSTAT, &bulkreq); -} - static int xfs_swapext(int fd, xfs_swapext_t *sx) { @@ -596,11 +571,11 @@ fsrall_cleanup(int timeout) static int fsrfs(char *mntdir, xfs_ino_t startino, int targetrange) { - - int fsfd, fd; + struct xfrog fsfrog = XFROG_INIT_EMPTY; + int fd; int count = 0; int ret; - __s32 buflenout; + uint32_t buflenout; xfs_bstat_t buf[GRABSZ]; char fname[64]; char *tname; @@ -617,25 +592,27 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange) return -1; } - if ((fsfd = open(mntdir, O_RDONLY)) < 0) { + if ((fsfrog.fd = open(mntdir, O_RDONLY)) < 0) { fsrprintf(_("unable to open: %s: %s\n"), mntdir, strerror( errno )); free(fshandlep); return -1; } - if (xfrog_geometry(fsfd, &fsgeom) < 0 ) { + ret = xfrog_prepare_geometry(&fsfrog); + if (ret) { fsrprintf(_("Skipping %s: could not get XFS geometry\n"), mntdir); - close(fsfd); + xfrog_close(&fsfrog); free(fshandlep); return -1; } + memcpy(&fsgeom, &fsfrog.fsgeom, sizeof(fsgeom)); tmp_init(mntdir); - while ((ret = xfs_bulkstat(fsfd, - &lastino, GRABSZ, &buf[0], &buflenout)) == 0) { + while ((ret = xfrog_bulkstat(&fsfrog, &lastino, GRABSZ, &buf[0], + &buflenout)) == 0) { xfs_bstat_t *p; xfs_bstat_t *endp; @@ -684,16 +661,16 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange) } if (endtime && endtime < time(NULL)) { tmp_close(mntdir); - close(fsfd); + xfrog_close(&fsfrog); fsrall_cleanup(1); exit(1); } } if (ret < 0) - fsrprintf(_("%s: xfs_bulkstat: %s\n"), progname, strerror(errno)); + fsrprintf(_("%s: xfrog_bulkstat: %s\n"), progname, strerror(errno)); out0: tmp_close(mntdir); - close(fsfd); + xfrog_close(&fsfrog); free(fshandlep); return 0; } @@ -726,13 +703,16 @@ fsrdir(char *dirname) * an open on the file and passes this all to fsrfile_common. */ static int -fsrfile(char *fname, xfs_ino_t ino) +fsrfile( + char *fname, + xfs_ino_t ino) { - xfs_bstat_t statbuf; - jdm_fshandle_t *fshandlep; - int fd = -1, fsfd = -1; - int error = -1; - char *tname; + struct xfrog fsfrog = XFROG_INIT_EMPTY; + struct xfs_bstat statbuf; + jdm_fshandle_t *fshandlep; + int fd = -1; + int error = -1; + char *tname; fshandlep = jdm_getfshandle(getparent (fname) ); if (!fshandlep) { @@ -745,14 +725,21 @@ fsrfile(char *fname, xfs_ino_t ino) * Need to open something on the same filesystem as the * file. Open the parent. */ - fsfd = open(getparent(fname), O_RDONLY); - if (fsfd < 0) { + fsfrog.fd = open(getparent(fname), O_RDONLY); + if (fsfrog.fd < 0) { fsrprintf(_("unable to open sys handle for %s: %s\n"), fname, strerror(errno)); goto out; } - if ((xfs_bulkstat_single(fsfd, &ino, &statbuf)) < 0) { + error = xfrog_prepare_geometry(&fsfrog); + if (error) { + fsrprintf(_("Unable to get geom on fs for: %s\n"), fname); + goto out; + } + + error = xfrog_bulkstat_single(&fsfrog, ino, &statbuf); + if (error < 0) { fsrprintf(_("unable to get bstat on %s: %s\n"), fname, strerror(errno)); goto out; @@ -765,11 +752,8 @@ fsrfile(char *fname, xfs_ino_t ino) goto out; } - /* Get the fs geometry */ - if (xfrog_geometry(fsfd, &fsgeom) < 0 ) { - fsrprintf(_("Unable to get geom on fs for: %s\n"), fname); - goto out; - } + /* Stash the fs geometry for general use. */ + memcpy(&fsgeom, &fsfrog.fsgeom, sizeof(fsgeom)); tname = gettmpname(fname); @@ -777,8 +761,7 @@ fsrfile(char *fname, xfs_ino_t ino) error = fsrfile_common(fname, tname, NULL, fd, &statbuf); out: - if (fsfd >= 0) - close(fsfd); + xfrog_close(&fsfrog); if (fd >= 0) close(fd); free(fshandlep); @@ -945,6 +928,7 @@ fsr_setup_attr_fork( xfs_bstat_t *bstatp) { #ifdef HAVE_FSETXATTR + struct xfrog tfrog = XFROG_INIT(tfd); struct stat tstatbuf; int i; int diff = 0; @@ -962,7 +946,7 @@ fsr_setup_attr_fork( if (!(fsgeom.flags & XFS_FSOP_GEOM_FLAGS_ATTR2) || bstatp->bs_forkoff == 0) { /* attr1 */ - ret = fsetxattr(tfd, "user.X", "X", 1, XATTR_CREATE); + ret = fsetxattr(tfrog.fd, "user.X", "X", 1, XATTR_CREATE); if (ret) { fsrprintf(_("could not set ATTR\n")); return -1; @@ -972,7 +956,7 @@ fsr_setup_attr_fork( /* attr2 w/ fork offsets */ - if (fstat(tfd, &tstatbuf) < 0) { + if (fstat(tfrog.fd, &tstatbuf) < 0) { fsrprintf(_("unable to stat temp file: %s\n"), strerror(errno)); return -1; @@ -981,16 +965,16 @@ fsr_setup_attr_fork( i = 0; do { xfs_bstat_t tbstat; - xfs_ino_t ino; char name[64]; + int ret; /* * bulkstat the temp inode to see what the forkoff is. Use * this to compare against the target and determine what we * need to do. */ - ino = tstatbuf.st_ino; - if ((xfs_bulkstat_single(tfd, &ino, &tbstat)) < 0) { + ret = xfrog_bulkstat_single(&tfrog, tstatbuf.st_ino, &tbstat); + if (ret < 0) { fsrprintf(_("unable to get bstat on temp file: %s\n"), strerror(errno)); return -1; @@ -1012,7 +996,7 @@ fsr_setup_attr_fork( */ if (!tbstat.bs_forkoff) { ASSERT(i == 0); - ret = fsetxattr(tfd, name, "XX", 2, XATTR_CREATE); + ret = fsetxattr(tfrog.fd, name, "XX", 2, XATTR_CREATE); if (ret) { fsrprintf(_("could not set ATTR\n")); return -1; @@ -1048,7 +1032,7 @@ fsr_setup_attr_fork( if (diff < 0) { char val[2048]; memset(val, 'X', 2048); - if (fsetxattr(tfd, name, val, 2048, 0)) { + if (fsetxattr(tfrog.fd, name, val, 2048, 0)) { fsrprintf(_("big ATTR set failed\n")); return -1; } @@ -1092,7 +1076,7 @@ fsr_setup_attr_fork( } /* we need to grow the attr fork, so create another attr */ - ret = fsetxattr(tfd, name, "XX", 2, XATTR_CREATE); + ret = fsetxattr(tfrog.fd, name, "XX", 2, XATTR_CREATE); if (ret) { fsrprintf(_("could not set ATTR\n")); return -1; diff --git a/include/xfrog.h b/include/xfrog.h index 8d7e38df..176a2e1d 100644 --- a/include/xfrog.h +++ b/include/xfrog.h @@ -100,4 +100,11 @@ xfrog_b_to_fsbt( return bytes >> frog->blocklog; } +/* Bulkstat wrappers */ +struct xfs_bstat; +int xfrog_bulkstat_single(struct xfrog *froggie, uint64_t ino, + struct xfs_bstat *ubuffer); +int xfrog_bulkstat(struct xfrog *froggie, uint64_t *lastino, uint32_t icount, + struct xfs_bstat *ubuffer, uint32_t *ocount); + #endif /* __XFROG_H__ */ diff --git a/io/open.c b/io/open.c index 997df119..36e07dc3 100644 --- a/io/open.c +++ b/io/open.c @@ -713,19 +713,18 @@ get_last_inode(void) static int inode_f( - int argc, - char **argv) + int argc, + char **argv) { - __s32 count = 0; - __u64 result_ino = 0; - __u64 userino = NULLFSINO; + struct xfs_bstat bstat; + uint32_t count = 0; + uint64_t result_ino = 0; + uint64_t userino = NULLFSINO; char *p; int c; int verbose = 0; int ret_next = 0; - int cmd = 0; - struct xfs_fsop_bulkreq bulkreq; - struct xfs_bstat bstat; + int ret; while ((c = getopt(argc, argv, "nv")) != EOF) { switch (c) { @@ -767,35 +766,36 @@ inode_f( exitcode = 1; return 0; } + } else if (ret_next) { + struct xfrog frog = XFROG_INIT(file->fd); + + /* get next inode */ + ret = xfrog_bulkstat(&frog, &userino, 1, &bstat, &count); + if (ret) { + perror("xfsctl"); + exitcode = 1; + return 0; + } + + /* The next inode in use, or 0 if none */ + if (count) + result_ino = bstat.bs_ino; + else + result_ino = 0; } else { - if (ret_next) /* get next inode */ - cmd = XFS_IOC_FSBULKSTAT; - else /* get this inode */ - cmd = XFS_IOC_FSBULKSTAT_SINGLE; - - bulkreq.lastip = &userino; - bulkreq.icount = 1; - bulkreq.ubuffer = &bstat; - bulkreq.ocount = &count; - - if (xfsctl(file->name, file->fd, cmd, &bulkreq)) { - if (!ret_next && errno == EINVAL) { - /* Not in use */ - result_ino = 0; - } else { - perror("xfsctl"); - exitcode = 1; - return 0; - } - } else if (ret_next) { - /* The next inode in use, or 0 if none */ - if (*bulkreq.ocount) - result_ino = bstat.bs_ino; - else - result_ino = 0; + struct xfrog frog = XFROG_INIT(file->fd); + + /* get this inode */ + ret = xfrog_bulkstat_single(&frog, userino, &bstat); + if (ret && errno == EINVAL) { + /* Not in use */ + result_ino = 0; + } else if (ret) { + perror("bulkstat_single"); + exitcode = 1; + return 0; } else { - /* The inode we asked about */ - result_ino = userino; + result_ino = bstat.bs_ino; } } diff --git a/io/swapext.c b/io/swapext.c index d360c221..c6ea2252 100644 --- a/io/swapext.c +++ b/io/swapext.c @@ -8,6 +8,7 @@ #include "input.h" #include "init.h" #include "io.h" +#include "xfrog.h" static cmdinfo_t swapext_cmd; @@ -20,26 +21,12 @@ swapext_help(void) "\n")); } -static int -xfs_bulkstat_single( - int fd, - xfs_ino_t *lastip, - struct xfs_bstat *ubuffer) -{ - struct xfs_fsop_bulkreq bulkreq; - - bulkreq.lastip = (__u64 *)lastip; - bulkreq.icount = 1; - bulkreq.ubuffer = ubuffer; - bulkreq.ocount = NULL; - return ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq); -} - static int swapext_f( int argc, char **argv) { + struct xfrog ffrog = XFROG_INIT(file->fd); int fd; int error; struct xfs_swapext sx; @@ -60,7 +47,7 @@ swapext_f( goto out; } - error = xfs_bulkstat_single(file->fd, &stat.st_ino, &sx.sx_stat); + error = xfrog_bulkstat_single(&ffrog, stat.st_ino, &sx.sx_stat); if (error) { perror("bulkstat"); goto out; diff --git a/libfrog/Makefile b/libfrog/Makefile index f5a0539b..05c6f701 100644 --- a/libfrog/Makefile +++ b/libfrog/Makefile @@ -13,6 +13,7 @@ LT_AGE = 0 CFILES = \ avl64.c \ bitmap.c \ +bulkstat.c \ convert.c \ crc32.c \ fsgeom.c \ diff --git a/libfrog/bulkstat.c b/libfrog/bulkstat.c new file mode 100644 index 00000000..30a9e6bc --- /dev/null +++ b/libfrog/bulkstat.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Oracle. All Rights Reserved. + * Author: Darrick J. Wong <darrick.wong@xxxxxxxxxx> + */ +#include "xfs.h" +#include "xfrog.h" + +/* Bulkstat a single inode. */ +int +xfrog_bulkstat_single( + struct xfrog *froggie, + uint64_t ino, + struct xfs_bstat *ubuffer) +{ + __u64 i = ino; + struct xfs_fsop_bulkreq bulkreq = { + .lastip = &i, + .icount = 1, + .ubuffer = ubuffer, + .ocount = NULL, + }; + + return ioctl(froggie->fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq); +} + +/* Bulkstat a bunch of inodes. */ +int +xfrog_bulkstat( + struct xfrog *froggie, + uint64_t *lastino, + uint32_t icount, + struct xfs_bstat *ubuffer, + uint32_t *ocount) +{ + struct xfs_fsop_bulkreq bulkreq = { + .lastip = (__u64 *)lastino, + .icount = icount, + .ubuffer = ubuffer, + .ocount = (__s32 *)ocount, + }; + + return ioctl(froggie->fd, XFS_IOC_FSBULKSTAT, &bulkreq); +} diff --git a/quota/quot.c b/quota/quot.c index d60cf4a8..b076c663 100644 --- a/quota/quot.c +++ b/quota/quot.c @@ -11,6 +11,7 @@ #include <grp.h> #include "init.h" #include "quota.h" +#include "xfrog.h" typedef struct du { struct du *next; @@ -124,13 +125,13 @@ quot_bulkstat_add( static void quot_bulkstat_mount( char *fsdir, - uint flags) + unsigned int flags) { - xfs_fsop_bulkreq_t bulkreq; - xfs_bstat_t *buf; - __u64 last = 0; - __s32 count; - int i, sts, fsfd; + struct xfrog fsfrog = XFROG_INIT_EMPTY; + struct xfs_bstat *buf; + uint64_t last = 0; + uint32_t count; + int i, sts; du_t **dp; /* @@ -145,8 +146,8 @@ quot_bulkstat_mount( *dp = NULL; ndu[0] = ndu[1] = ndu[2] = 0; - fsfd = open(fsdir, O_RDONLY); - if (fsfd < 0) { + fsfrog.fd = open(fsdir, O_RDONLY); + if (fsfrog.fd < 0) { perror(fsdir); return; } @@ -154,16 +155,12 @@ quot_bulkstat_mount( buf = (xfs_bstat_t *)calloc(NBSTAT, sizeof(xfs_bstat_t)); if (!buf) { perror("calloc"); - close(fsfd); + xfrog_close(&fsfrog); return; } - bulkreq.lastip = &last; - bulkreq.icount = NBSTAT; - bulkreq.ubuffer = buf; - bulkreq.ocount = &count; - - while ((sts = xfsctl(fsdir, fsfd, XFS_IOC_FSBULKSTAT, &bulkreq)) == 0) { + while ((sts = xfrog_bulkstat(&fsfrog, &last, NBSTAT, buf, + &count)) == 0) { if (count == 0) break; for (i = 0; i < count; i++) @@ -172,7 +169,7 @@ quot_bulkstat_mount( if (sts < 0) perror("XFS_IOC_FSBULKSTAT"), free(buf); - close(fsfd); + xfrog_close(&fsfrog); } static int diff --git a/scrub/inodes.c b/scrub/inodes.c index a9000218..09dd0055 100644 --- a/scrub/inodes.c +++ b/scrub/inodes.c @@ -17,6 +17,7 @@ #include "xfs_scrub.h" #include "common.h" #include "inodes.h" +#include "xfrog.h" /* * Iterate a range of inodes. @@ -50,17 +51,10 @@ xfs_iterate_inodes_range_check( struct xfs_inogrp *inogrp, struct xfs_bstat *bstat) { - struct xfs_fsop_bulkreq onereq = {NULL}; struct xfs_bstat *bs; - __u64 oneino; - __s32 onelen = 0; int i; int error; - onereq.lastip = &oneino; - onereq.icount = 1; - onereq.ocount = &onelen; - for (i = 0, bs = bstat; i < XFS_INODES_PER_CHUNK; i++) { if (!(inogrp->xi_allocmask & (1ULL << i))) continue; @@ -70,10 +64,8 @@ xfs_iterate_inodes_range_check( } /* Load the one inode. */ - oneino = inogrp->xi_startino + i; - onereq.ubuffer = bs; - error = ioctl(ctx->mnt.fd, XFS_IOC_FSBULKSTAT_SINGLE, - &onereq); + error = xfrog_bulkstat_single(&ctx->mnt, + inogrp->xi_startino + i, bs); if (error || bs->bs_ino != inogrp->xi_startino + i) { memset(bs, 0, sizeof(struct xfs_bstat)); bs->bs_ino = inogrp->xi_startino + i; @@ -99,7 +91,6 @@ xfs_iterate_inodes_range( void *arg) { struct xfs_fsop_bulkreq igrpreq = {NULL}; - struct xfs_fsop_bulkreq bulkreq = {NULL}; struct xfs_handle handle; struct xfs_inogrp inogrp; struct xfs_bstat bstat[XFS_INODES_PER_CHUNK]; @@ -107,8 +98,8 @@ xfs_iterate_inodes_range( char buf[DESCR_BUFSZ]; struct xfs_bstat *bs; __u64 igrp_ino; - __u64 ino; - __s32 bulklen = 0; + uint64_t ino; + uint32_t bulklen = 0; __s32 igrplen = 0; bool moveon = true; int i; @@ -117,10 +108,6 @@ xfs_iterate_inodes_range( memset(bstat, 0, XFS_INODES_PER_CHUNK * sizeof(struct xfs_bstat)); - bulkreq.lastip = &ino; - bulkreq.icount = XFS_INODES_PER_CHUNK; - bulkreq.ubuffer = &bstat; - bulkreq.ocount = &bulklen; igrpreq.lastip = &igrp_ino; igrpreq.icount = 1; @@ -138,14 +125,15 @@ xfs_iterate_inodes_range( while (!error && igrplen) { /* Load the inodes. */ ino = inogrp.xi_startino - 1; - bulkreq.icount = inogrp.xi_alloccount; + /* * We can have totally empty inode chunks on filesystems where * there are more than 64 inodes per block. Skip these. */ if (inogrp.xi_alloccount == 0) goto igrp_retry; - error = ioctl(ctx->mnt.fd, XFS_IOC_FSBULKSTAT, &bulkreq); + error = xfrog_bulkstat(&ctx->mnt, &ino, inogrp.xi_alloccount, + bstat, &bulklen); if (error) str_info(ctx, descr, "%s", strerror_r(errno, buf, DESCR_BUFSZ));