#include "xfs_refcount_btree.h"
#include "libfrog/platform.h"
+#include "xfs_format.h"
+#include "xfs_da_format.h"
+#include "xfs_log_format.h"
+#include "xfs_ondisk.h"
+
#include "libxfs.h" /* for now */
+#ifndef HAVE_LIBURCU_ATOMIC64
+pthread_mutex_t atomic64_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
char *progname = "libxfs"; /* default, changed by each tool */
struct cache *libxfs_bcache; /* global buffer cache */
int use_xfs_buf_lock; /* global flag: use xfs_buf locks for MT */
-/*
- * dev_map - map open devices to fd.
- */
-#define MAX_DEVS 10 /* arbitary maximum */
static int nextfakedev = -1; /* device number to give to next fake device */
-static struct dev_to_fd {
- dev_t dev;
- int fd;
-} dev_map[MAX_DEVS]={{0}};
/*
* Checks whether a given device has a mounted, writable
return 0;
}
-/* libxfs_device_to_fd:
- * lookup a device number in the device map
- * return the associated fd
- */
-int
-libxfs_device_to_fd(dev_t device)
+static int
+check_open(
+ struct libxfs_init *xi,
+ struct libxfs_dev *dev)
{
- int d;
+ struct stat stbuf;
- for (d = 0; d < MAX_DEVS; d++)
- if (dev_map[d].dev == device)
- return dev_map[d].fd;
+ if (stat(dev->name, &stbuf) < 0) {
+ perror(dev->name);
+ return 0;
+ }
+ if (!(xi->flags & LIBXFS_ISREADONLY) &&
+ !(xi->flags & LIBXFS_ISINACTIVE) &&
+ platform_check_ismounted(dev->name, dev->name, NULL, 1))
+ return 0;
- fprintf(stderr, _("%s: %s: device %lld is not open\n"),
- progname, __FUNCTION__, (long long)device);
- exit(1);
- /* NOTREACHED */
+ if ((xi->flags & LIBXFS_ISINACTIVE) &&
+ check_isactive(dev->name, dev->name, !!(xi->flags &
+ (LIBXFS_ISREADONLY | LIBXFS_DANGEROUSLY))))
+ return 0;
+
+ return 1;
}
-/* libxfs_device_open:
- * open a device and return its device number
- */
-dev_t
-libxfs_device_open(char *path, int creat, int xflags, int setblksize)
+static bool
+libxfs_device_open(
+ struct libxfs_init *xi,
+ struct libxfs_dev *dev)
{
- dev_t dev;
- int fd, d, flags;
- int readonly, dio, excl;
- struct stat statb;
+ struct stat statb;
+ int flags;
- readonly = (xflags & LIBXFS_ISREADONLY);
- excl = (xflags & LIBXFS_EXCLUSIVELY) && !creat;
- dio = (xflags & LIBXFS_DIRECT) && !creat && platform_direct_blockdev();
+ dev->fd = -1;
-retry:
- flags = (readonly ? O_RDONLY : O_RDWR) | \
- (creat ? (O_CREAT|O_TRUNC) : 0) | \
- (dio ? O_DIRECT : 0) | \
- (excl ? O_EXCL : 0);
+ if (!dev->name)
+ return true;
+ if (!dev->isfile && !check_open(xi, dev))
+ return false;
+
+ if (xi->flags & LIBXFS_ISREADONLY)
+ flags = O_RDONLY;
+ else
+ flags = O_RDWR;
+
+ if (dev->create) {
+ flags |= O_CREAT | O_TRUNC;
+ } else {
+ if (xi->flags & LIBXFS_EXCLUSIVELY)
+ flags |= O_EXCL;
+ if ((xi->flags & LIBXFS_DIRECT) && platform_direct_blockdev())
+ flags |= O_DIRECT;
+ }
- if ((fd = open(path, flags, 0666)) < 0) {
- if (errno == EINVAL && --dio == 0)
+retry:
+ dev->fd = open(dev->name, flags, 0666);
+ if (dev->fd < 0) {
+ if (errno == EINVAL && (flags & O_DIRECT)) {
+ flags &= ~O_DIRECT;
goto retry;
+ }
fprintf(stderr, _("%s: cannot open %s: %s\n"),
- progname, path, strerror(errno));
+ progname, dev->name, strerror(errno));
exit(1);
}
- if (fstat(fd, &statb) < 0) {
+ if (fstat(dev->fd, &statb) < 0) {
fprintf(stderr, _("%s: cannot stat %s: %s\n"),
- progname, path, strerror(errno));
+ progname, dev->name, strerror(errno));
exit(1);
}
- if (!readonly && setblksize && (statb.st_mode & S_IFMT) == S_IFBLK) {
- if (setblksize == 1)
- /* use the default blocksize */
- (void)platform_set_blocksize(fd, path, statb.st_rdev, XFS_MIN_SECTORSIZE, 0);
- else {
- /* given an explicit blocksize to use */
- if (platform_set_blocksize(fd, path, statb.st_rdev, setblksize, 1))
- exit(1);
- }
+ if (!(xi->flags & LIBXFS_ISREADONLY) &&
+ xi->setblksize &&
+ (statb.st_mode & S_IFMT) == S_IFBLK) {
+ /*
+ * Try to use the given explicit blocksize. Failure to set the
+ * block size is only fatal for direct I/O.
+ */
+ platform_set_blocksize(dev->fd, dev->name, statb.st_rdev,
+ xi->setblksize, flags & O_DIRECT);
}
/*
- * Get the device number from the stat buf - unless
- * we're not opening a real device, in which case
- * choose a new fake device number.
+ * Get the device number from the stat buf - unless we're not opening a
+ * real device, in which case choose a new fake device number.
*/
- dev = (statb.st_rdev) ? (statb.st_rdev) : (nextfakedev--);
-
- for (d = 0; d < MAX_DEVS; d++)
- if (dev_map[d].dev == dev) {
- fprintf(stderr, _("%s: device %lld is already open\n"),
- progname, (long long)dev);
- exit(1);
- }
-
- for (d = 0; d < MAX_DEVS; d++)
- if (!dev_map[d].dev) {
- dev_map[d].dev = dev;
- dev_map[d].fd = fd;
-
- return dev;
- }
-
- fprintf(stderr, _("%s: %s: too many open devices\n"),
- progname, __FUNCTION__);
- exit(1);
- /* NOTREACHED */
-}
-
-void
-libxfs_device_close(dev_t dev)
-{
- int d;
-
- for (d = 0; d < MAX_DEVS; d++)
- if (dev_map[d].dev == dev) {
- int fd, ret;
-
- fd = dev_map[d].fd;
- dev_map[d].dev = dev_map[d].fd = 0;
-
- ret = platform_flush_device(fd, dev);
- if (ret) {
- ret = -errno;
- fprintf(stderr,
- _("%s: flush of device %lld failed, err=%d"),
- progname, (long long)dev, ret);
- }
- close(fd);
-
- return;
- }
-
- fprintf(stderr, _("%s: %s: device %lld is not open\n"),
- progname, __FUNCTION__, (long long)dev);
- exit(1);
+ if (statb.st_rdev)
+ dev->dev = statb.st_rdev;
+ else
+ dev->dev = nextfakedev--;
+ platform_findsizes(dev->name, dev->fd, &dev->size, &dev->bsize);
+ return true;
}
-static int
-check_open(char *path, int flags, char **rawfile, char **blockfile)
+static void
+libxfs_device_close(
+ struct libxfs_dev *dev)
{
- int readonly = (flags & LIBXFS_ISREADONLY);
- int inactive = (flags & LIBXFS_ISINACTIVE);
- int dangerously = (flags & LIBXFS_DANGEROUSLY);
- struct stat stbuf;
+ int ret;
- if (stat(path, &stbuf) < 0) {
- perror(path);
- return 0;
- }
- if (!(*rawfile = platform_findrawpath(path))) {
- fprintf(stderr, _("%s: "
- "can't find a character device matching %s\n"),
- progname, path);
- return 0;
- }
- if (!(*blockfile = platform_findblockpath(path))) {
- fprintf(stderr, _("%s: "
- "can't find a block device matching %s\n"),
- progname, path);
- return 0;
+ ret = platform_flush_device(dev->fd, dev->dev);
+ if (ret) {
+ ret = -errno;
+ fprintf(stderr,
+ _("%s: flush of device %s failed, err=%d"),
+ progname, dev->name, ret);
}
- if (!readonly && !inactive && platform_check_ismounted(path, *blockfile, NULL, 1))
- return 0;
+ close(dev->fd);
- if (inactive && check_isactive(path, *blockfile, ((readonly|dangerously)?1:0)))
- return 0;
-
- return 1;
+ dev->fd = -1;
+ dev->dev = 0;
}
/*
- * Initialize/destroy all of the zone allocators we use.
+ * Initialize/destroy all of the cache allocators we use.
*/
static void
-init_zones(void)
+init_caches(void)
{
- /* initialise zone allocation */
- xfs_buf_zone = kmem_zone_init(sizeof(struct xfs_buf), "xfs_buffer");
- xfs_inode_zone = kmem_zone_init(sizeof(struct xfs_inode), "xfs_inode");
- xfs_ifork_zone = kmem_zone_init(sizeof(struct xfs_ifork), "xfs_ifork");
- xfs_ili_zone = kmem_zone_init(
+ int error;
+
+ /* initialise cache allocation */
+ xfs_buf_cache = kmem_cache_init(sizeof(struct xfs_buf), "xfs_buffer");
+ xfs_inode_cache = kmem_cache_init(sizeof(struct xfs_inode), "xfs_inode");
+ xfs_ifork_cache = kmem_cache_init(sizeof(struct xfs_ifork), "xfs_ifork");
+ xfs_ili_cache = kmem_cache_init(
sizeof(struct xfs_inode_log_item),"xfs_inode_log_item");
- xfs_buf_item_zone = kmem_zone_init(
+ xfs_buf_item_cache = kmem_cache_init(
sizeof(struct xfs_buf_log_item), "xfs_buf_log_item");
- xfs_da_state_zone = kmem_zone_init(
+ error = xfs_defer_init_item_caches();
+ if (error) {
+ fprintf(stderr, "Could not allocate defer init item caches.\n");
+ abort();
+ }
+ xfs_da_state_cache = kmem_cache_init(
sizeof(struct xfs_da_state), "xfs_da_state");
- xfs_btree_cur_zone = kmem_zone_init(
- sizeof(struct xfs_btree_cur), "xfs_btree_cur");
- xfs_bmap_free_item_zone = kmem_zone_init(
+ error = xfs_btree_init_cur_caches();
+ if (error) {
+ fprintf(stderr, "Could not allocate btree cursor caches.\n");
+ abort();
+ }
+ xfs_extfree_item_cache = kmem_cache_init(
sizeof(struct xfs_extent_free_item),
- "xfs_bmap_free_item");
- xfs_trans_zone = kmem_zone_init(
+ "xfs_extfree_item");
+ xfs_trans_cache = kmem_cache_init(
sizeof(struct xfs_trans), "xfs_trans");
}
static int
-destroy_zones(void)
+destroy_caches(void)
{
int leaked = 0;
- leaked += kmem_zone_destroy(xfs_buf_zone);
- leaked += kmem_zone_destroy(xfs_ili_zone);
- leaked += kmem_zone_destroy(xfs_inode_zone);
- leaked += kmem_zone_destroy(xfs_ifork_zone);
- leaked += kmem_zone_destroy(xfs_buf_item_zone);
- leaked += kmem_zone_destroy(xfs_da_state_zone);
- leaked += kmem_zone_destroy(xfs_btree_cur_zone);
- leaked += kmem_zone_destroy(xfs_bmap_free_item_zone);
- leaked += kmem_zone_destroy(xfs_trans_zone);
+ leaked += kmem_cache_destroy(xfs_buf_cache);
+ leaked += kmem_cache_destroy(xfs_ili_cache);
+ leaked += kmem_cache_destroy(xfs_inode_cache);
+ leaked += kmem_cache_destroy(xfs_ifork_cache);
+ leaked += kmem_cache_destroy(xfs_buf_item_cache);
+ leaked += kmem_cache_destroy(xfs_da_state_cache);
+ xfs_defer_destroy_item_caches();
+ xfs_btree_destroy_cur_caches();
+ leaked += kmem_cache_destroy(xfs_extfree_item_cache);
+ leaked += kmem_cache_destroy(xfs_trans_cache);
return leaked;
}
static void
libxfs_close_devices(
- struct libxfs_xinit *li)
+ struct libxfs_init *li)
{
- if (li->ddev)
- libxfs_device_close(li->ddev);
- if (li->logdev && li->logdev != li->ddev)
- libxfs_device_close(li->logdev);
- if (li->rtdev)
- libxfs_device_close(li->rtdev);
-
- li->ddev = li->logdev = li->rtdev = 0;
- li->dfd = li->logfd = li->rtfd = -1;
+ if (li->data.dev)
+ libxfs_device_close(&li->data);
+ if (li->log.dev && li->log.dev != li->data.dev)
+ libxfs_device_close(&li->log);
+ if (li->rt.dev)
+ libxfs_device_close(&li->rt);
}
/*
* Caller gets a 0 on failure (and we print a message), 1 on success.
*/
int
-libxfs_init(libxfs_init_t *a)
+libxfs_init(struct libxfs_init *a)
{
- char *blockfile;
- char *dname;
- char dpath[25];
- int fd;
- char *logname;
- char logpath[25];
- char *rawfile;
- char *rtname;
- char rtpath[25];
- int rval = 0;
- int flags;
-
- dpath[0] = logpath[0] = rtpath[0] = '\0';
- dname = a->dname;
- logname = a->logname;
- rtname = a->rtname;
- a->dfd = a->logfd = a->rtfd = -1;
- a->ddev = a->logdev = a->rtdev = 0;
- a->dsize = a->lbsize = a->rtbsize = 0;
- a->dbsize = a->logBBsize = a->logBBstart = a->rtsize = 0;
-
- fd = -1;
- flags = (a->isreadonly | a->isdirect);
-
+ xfs_check_ondisk_structs();
rcu_init();
rcu_register_thread();
radix_tree_init();
- if (a->volname) {
- if(!check_open(a->volname,flags,&rawfile,&blockfile))
- goto done;
- fd = open(rawfile, O_RDONLY);
- dname = a->dname = a->volname;
- a->volname = NULL;
- }
- if (dname) {
- if (a->disfile) {
- a->ddev= libxfs_device_open(dname, a->dcreat, flags,
- a->setblksize);
- a->dfd = libxfs_device_to_fd(a->ddev);
- platform_findsizes(dname, a->dfd, &a->dsize,
- &a->dbsize);
- } else {
- if (!check_open(dname, flags, &rawfile, &blockfile))
- goto done;
- a->ddev = libxfs_device_open(rawfile,
- a->dcreat, flags, a->setblksize);
- a->dfd = libxfs_device_to_fd(a->ddev);
- platform_findsizes(rawfile, a->dfd,
- &a->dsize, &a->dbsize);
- }
- } else
- a->dsize = 0;
- if (logname) {
- if (a->lisfile) {
- a->logdev = libxfs_device_open(logname,
- a->lcreat, flags, a->setblksize);
- a->logfd = libxfs_device_to_fd(a->logdev);
- platform_findsizes(dname, a->logfd, &a->logBBsize,
- &a->lbsize);
- } else {
- if (!check_open(logname, flags, &rawfile, &blockfile))
- goto done;
- a->logdev = libxfs_device_open(rawfile,
- a->lcreat, flags, a->setblksize);
- a->logfd = libxfs_device_to_fd(a->logdev);
- platform_findsizes(rawfile, a->logfd,
- &a->logBBsize, &a->lbsize);
- }
- } else
- a->logBBsize = 0;
- if (rtname) {
- if (a->risfile) {
- a->rtdev = libxfs_device_open(rtname,
- a->rcreat, flags, a->setblksize);
- a->rtfd = libxfs_device_to_fd(a->rtdev);
- platform_findsizes(dname, a->rtfd, &a->rtsize,
- &a->rtbsize);
- } else {
- if (!check_open(rtname, flags, &rawfile, &blockfile))
- goto done;
- a->rtdev = libxfs_device_open(rawfile,
- a->rcreat, flags, a->setblksize);
- a->rtfd = libxfs_device_to_fd(a->rtdev);
- platform_findsizes(rawfile, a->rtfd,
- &a->rtsize, &a->rtbsize);
- }
- } else
- a->rtsize = 0;
- if (a->dsize < 0) {
- fprintf(stderr, _("%s: can't get size for data subvolume\n"),
- progname);
+ if (!libxfs_device_open(a, &a->data))
goto done;
- }
- if (a->logBBsize < 0) {
- fprintf(stderr, _("%s: can't get size for log subvolume\n"),
- progname);
+ if (!libxfs_device_open(a, &a->log))
goto done;
- }
- if (a->rtsize < 0) {
- fprintf(stderr, _("%s: can't get size for realtime subvolume\n"),
- progname);
+ if (!libxfs_device_open(a, &a->rt))
goto done;
- }
+
if (!libxfs_bhash_size)
libxfs_bhash_size = LIBXFS_BHASHSIZE(sbp);
libxfs_bcache = cache_init(a->bcache_flags, libxfs_bhash_size,
&libxfs_bcache_operations);
- use_xfs_buf_lock = a->usebuflock;
+ use_xfs_buf_lock = a->flags & LIBXFS_USEBUFLOCK;
xfs_dir_startup();
- init_zones();
- rval = 1;
+ init_caches();
+ return 1;
+
done:
- if (dpath[0])
- unlink(dpath);
- if (logpath[0])
- unlink(logpath);
- if (rtpath[0])
- unlink(rtpath);
- if (fd >= 0)
- close(fd);
- if (!rval)
- libxfs_close_devices(a);
-
- return rval;
+ libxfs_close_devices(a);
+ rcu_unregister_thread();
+ return 0;
}
*/
static int
rtmount_init(
- xfs_mount_t *mp, /* file system mount structure */
- int flags)
+ xfs_mount_t *mp) /* file system mount structure */
{
struct xfs_buf *bp; /* buffer for last block of subvolume */
- struct xfs_sb *sbp; /* filesystem superblock copy in mount */
xfs_daddr_t d; /* address of last block of subvolume */
+ unsigned int rsumblocks;
int error;
- sbp = &mp->m_sb;
- if (sbp->sb_rblocks == 0)
+ if (mp->m_sb.sb_rblocks == 0)
return 0;
- if (xfs_sb_version_hasreflink(sbp)) {
+ if (xfs_has_reflink(mp)) {
fprintf(stderr,
_("%s: Reflink not compatible with realtime device. Please try a newer xfsprogs.\n"),
progname);
return -1;
}
- if (xfs_sb_version_hasrmapbt(sbp)) {
+ if (xfs_has_rmapbt(mp)) {
fprintf(stderr,
_("%s: Reverse mapping btree not compatible with realtime device. Please try a newer xfsprogs.\n"),
progname);
return -1;
}
- if (mp->m_rtdev_targp->bt_bdev == 0 && !(flags & LIBXFS_MOUNT_DEBUGGER)) {
+ if (mp->m_rtdev_targp->bt_bdev == 0 && !xfs_is_debugger(mp)) {
fprintf(stderr, _("%s: filesystem has a realtime subvolume\n"),
progname);
return -1;
}
- mp->m_rsumlevels = sbp->sb_rextslog + 1;
- mp->m_rsumsize =
- (uint)sizeof(xfs_suminfo_t) * mp->m_rsumlevels *
- sbp->sb_rbmblocks;
- mp->m_rsumsize = roundup(mp->m_rsumsize, sbp->sb_blocksize);
+ mp->m_rsumlevels = mp->m_sb.sb_rextslog + 1;
+ rsumblocks = xfs_rtsummary_blockcount(mp, mp->m_rsumlevels,
+ mp->m_sb.sb_rbmblocks);
+ mp->m_rsumsize = XFS_FSB_TO_B(mp, rsumblocks);
mp->m_rbmip = mp->m_rsumip = NULL;
/*
* Allow debugger to be run without the realtime device present.
*/
- if (flags & LIBXFS_MOUNT_DEBUGGER)
+ if (xfs_is_debugger(mp))
return 0;
/*
return 0;
}
-static int
-libxfs_initialize_perag(
- xfs_mount_t *mp,
- xfs_agnumber_t agcount,
- xfs_agnumber_t *maxagi)
+static bool
+xfs_set_inode_alloc_perag(
+ struct xfs_perag *pag,
+ xfs_ino_t ino,
+ xfs_agnumber_t max_metadata)
{
- xfs_agnumber_t index, max_metadata;
- xfs_agnumber_t first_initialised = 0;
- xfs_perag_t *pag;
+ if (!xfs_is_inode32(pag->pag_mount)) {
+ set_bit(XFS_AGSTATE_ALLOWS_INODES, &pag->pag_opstate);
+ clear_bit(XFS_AGSTATE_PREFERS_METADATA, &pag->pag_opstate);
+ return false;
+ }
+
+ if (ino > XFS_MAXINUMBER_32) {
+ clear_bit(XFS_AGSTATE_ALLOWS_INODES, &pag->pag_opstate);
+ clear_bit(XFS_AGSTATE_PREFERS_METADATA, &pag->pag_opstate);
+ return false;
+ }
+
+ set_bit(XFS_AGSTATE_ALLOWS_INODES, &pag->pag_opstate);
+ if (pag->pag_agno < max_metadata)
+ set_bit(XFS_AGSTATE_PREFERS_METADATA, &pag->pag_opstate);
+ else
+ clear_bit(XFS_AGSTATE_PREFERS_METADATA, &pag->pag_opstate);
+ return true;
+}
+
+/*
+ * Set parameters for inode allocation heuristics, taking into account
+ * filesystem size and inode32/inode64 mount options; i.e. specifically
+ * whether or not XFS_MOUNT_SMALL_INUMS is set.
+ *
+ * Inode allocation patterns are altered only if inode32 is requested
+ * (XFS_MOUNT_SMALL_INUMS), and the filesystem is sufficiently large.
+ * If altered, XFS_MOUNT_32BITINODES is set as well.
+ *
+ * An agcount independent of that in the mount structure is provided
+ * because in the growfs case, mp->m_sb.sb_agcount is not yet updated
+ * to the potentially higher ag count.
+ *
+ * Returns the maximum AG index which may contain inodes.
+ *
+ * NOTE: userspace has no concept of "inode32" and so xfs_has_small_inums
+ * is always false, and much of this code is a no-op.
+ */
+xfs_agnumber_t
+xfs_set_inode_alloc(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agcount)
+{
+ xfs_agnumber_t index;
+ xfs_agnumber_t maxagi = 0;
+ xfs_sb_t *sbp = &mp->m_sb;
+ xfs_agnumber_t max_metadata;
xfs_agino_t agino;
xfs_ino_t ino;
- xfs_sb_t *sbp = &mp->m_sb;
- int error = -ENOMEM;
/*
- * Walk the current per-ag tree so we don't try to initialise AGs
- * that already exist (growfs case). Allocate and insert all the
- * AGs we don't find ready for initialisation.
+ * Calculate how much should be reserved for inodes to meet
+ * the max inode percentage. Used only for inode32.
*/
- for (index = 0; index < agcount; index++) {
- pag = xfs_perag_get(mp, index);
- if (pag) {
- xfs_perag_put(pag);
- continue;
- }
- if (!first_initialised)
- first_initialised = index;
-
- pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL);
- if (!pag)
- goto out_unwind;
- pag->pag_agno = index;
- pag->pag_mount = mp;
-
- if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {
- error = -EEXIST;
- goto out_unwind;
- }
+ if (M_IGEO(mp)->maxicount) {
+ uint64_t icount;
+
+ icount = sbp->sb_dblocks * sbp->sb_imax_pct;
+ do_div(icount, 100);
+ icount += sbp->sb_agblocks - 1;
+ do_div(icount, sbp->sb_agblocks);
+ max_metadata = icount;
+ } else {
+ max_metadata = agcount;
}
- /*
- * If we mount with the inode64 option, or no inode overflows
- * the legacy 32-bit address space clear the inode32 option.
- */
- agino = XFS_AGB_TO_AGINO(mp, sbp->sb_agblocks - 1);
+ /* Get the last possible inode in the filesystem */
+ agino = XFS_AGB_TO_AGINO(mp, sbp->sb_agblocks - 1);
ino = XFS_AGINO_TO_INO(mp, agcount - 1, agino);
- if ((mp->m_flags & XFS_MOUNT_SMALL_INUMS) && ino > XFS_MAXINUMBER_32)
- mp->m_flags |= XFS_MOUNT_32BITINODES;
+ /*
+ * If user asked for no more than 32-bit inodes, and the fs is
+ * sufficiently large, set XFS_MOUNT_32BITINODES if we must alter
+ * the allocator to accommodate the request.
+ */
+ if (xfs_has_small_inums(mp) && ino > XFS_MAXINUMBER_32)
+ set_bit(XFS_OPSTATE_INODE32, &mp->m_opstate);
else
- mp->m_flags &= ~XFS_MOUNT_32BITINODES;
+ clear_bit(XFS_OPSTATE_INODE32, &mp->m_opstate);
- if (mp->m_flags & XFS_MOUNT_32BITINODES) {
- /*
- * Calculate how much should be reserved for inodes to meet
- * the max inode percentage.
- */
- if (M_IGEO(mp)->maxicount) {
- uint64_t icount;
-
- icount = sbp->sb_dblocks * sbp->sb_imax_pct;
- do_div(icount, 100);
- icount += sbp->sb_agblocks - 1;
- do_div(icount, sbp->sb_agblocks);
- max_metadata = icount;
- } else {
- max_metadata = agcount;
- }
+ for (index = 0; index < agcount; index++) {
+ struct xfs_perag *pag;
- for (index = 0; index < agcount; index++) {
- ino = XFS_AGINO_TO_INO(mp, index, agino);
- if (ino > XFS_MAXINUMBER_32) {
- index++;
- break;
- }
+ ino = XFS_AGINO_TO_INO(mp, index, agino);
- pag = xfs_perag_get(mp, index);
- pag->pagi_inodeok = 1;
- if (index < max_metadata)
- pag->pagf_metadata = 1;
- xfs_perag_put(pag);
- }
- } else {
- for (index = 0; index < agcount; index++) {
- pag = xfs_perag_get(mp, index);
- pag->pagi_inodeok = 1;
- xfs_perag_put(pag);
- }
+ pag = xfs_perag_get(mp, index);
+ if (xfs_set_inode_alloc_perag(pag, ino, max_metadata))
+ maxagi++;
+ xfs_perag_put(pag);
}
- if (maxagi)
- *maxagi = index;
-
- mp->m_ag_prealloc_blocks = xfs_prealloc_blocks(mp);
- return 0;
-
-out_unwind:
- kmem_free(pag);
- for (; index > first_initialised; index--) {
- pag = radix_tree_delete(&mp->m_perag_tree, index);
- kmem_free(pag);
- }
- return error;
+ return xfs_is_inode32(mp) ? maxagi : agcount;
}
static struct xfs_buftarg *
libxfs_buftarg_alloc(
struct xfs_mount *mp,
- dev_t dev,
+ struct libxfs_dev *dev,
unsigned long write_fails)
{
struct xfs_buftarg *btp;
exit(1);
}
btp->bt_mount = mp;
- btp->bt_bdev = dev;
+ btp->bt_bdev = dev->dev;
+ btp->bt_bdev_fd = dev->fd;
btp->flags = 0;
if (write_fails) {
btp->writes_left = write_fails;
void
libxfs_buftarg_init(
struct xfs_mount *mp,
- dev_t dev,
- dev_t logdev,
- dev_t rtdev)
+ struct libxfs_init *xi)
{
char *p = getenv("LIBXFS_DEBUG_WRITE_CRASH");
unsigned long dfail = 0, lfail = 0, rfail = 0;
if (mp->m_ddev_targp) {
/* should already have all buftargs initialised */
- if (mp->m_ddev_targp->bt_bdev != dev ||
+ if (mp->m_ddev_targp->bt_bdev != xi->data.dev ||
mp->m_ddev_targp->bt_mount != mp) {
fprintf(stderr,
_("%s: bad buftarg reinit, ddev\n"),
progname);
exit(1);
}
- if (!logdev || logdev == dev) {
+ if (!xi->log.dev || xi->log.dev == xi->data.dev) {
if (mp->m_logdev_targp != mp->m_ddev_targp) {
fprintf(stderr,
_("%s: bad buftarg reinit, ldev mismatch\n"),
progname);
exit(1);
}
- } else if (mp->m_logdev_targp->bt_bdev != logdev ||
+ } else if (mp->m_logdev_targp->bt_bdev != xi->log.dev ||
mp->m_logdev_targp->bt_mount != mp) {
fprintf(stderr,
_("%s: bad buftarg reinit, logdev\n"),
progname);
exit(1);
}
- if (rtdev && (mp->m_rtdev_targp->bt_bdev != rtdev ||
- mp->m_rtdev_targp->bt_mount != mp)) {
+ if (xi->rt.dev &&
+ (mp->m_rtdev_targp->bt_bdev != xi->rt.dev ||
+ mp->m_rtdev_targp->bt_mount != mp)) {
fprintf(stderr,
_("%s: bad buftarg reinit, rtdev\n"),
progname);
return;
}
- mp->m_ddev_targp = libxfs_buftarg_alloc(mp, dev, dfail);
- if (!logdev || logdev == dev)
+ mp->m_ddev_targp = libxfs_buftarg_alloc(mp, &xi->data, dfail);
+ if (!xi->log.dev || xi->log.dev == xi->data.dev)
mp->m_logdev_targp = mp->m_ddev_targp;
else
- mp->m_logdev_targp = libxfs_buftarg_alloc(mp, logdev, lfail);
- mp->m_rtdev_targp = libxfs_buftarg_alloc(mp, rtdev, rfail);
+ mp->m_logdev_targp = libxfs_buftarg_alloc(mp, &xi->log, lfail);
+ mp->m_rtdev_targp = libxfs_buftarg_alloc(mp, &xi->rt, rfail);
+}
+
+/* Compute maximum possible height for per-AG btree types for this fs. */
+static inline void
+xfs_agbtree_compute_maxlevels(
+ struct xfs_mount *mp)
+{
+ unsigned int levels;
+
+ levels = max(mp->m_alloc_maxlevels, M_IGEO(mp)->inobt_maxlevels);
+ levels = max(levels, mp->m_rmap_maxlevels);
+ mp->m_agbtree_maxlevels = max(levels, mp->m_refc_maxlevels);
+}
+
+/* Compute maximum possible height of all btrees. */
+void
+libxfs_compute_all_maxlevels(
+ struct xfs_mount *mp)
+{
+ xfs_alloc_compute_maxlevels(mp);
+ xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
+ xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
+ xfs_ialloc_setup_geometry(mp);
+ xfs_rmapbt_compute_maxlevels(mp);
+ xfs_refcountbt_compute_maxlevels(mp);
+
+ xfs_agbtree_compute_maxlevels(mp);
+}
+
+/*
+ * precalculate the low space thresholds for dynamic speculative preallocation.
+ */
+static void
+xfs_set_low_space_thresholds(
+ struct xfs_mount *mp)
+{
+ uint64_t dblocks = mp->m_sb.sb_dblocks;
+ int i;
+
+ do_div(dblocks, 100);
+
+ for (i = 0; i < XFS_LOWSP_MAX; i++)
+ mp->m_low_space[i] = dblocks * (i + 1);
}
/*
libxfs_mount(
struct xfs_mount *mp,
struct xfs_sb *sb,
- dev_t dev,
- dev_t logdev,
- dev_t rtdev,
- int flags)
+ struct libxfs_init *xi,
+ unsigned int flags)
{
struct xfs_buf *bp;
struct xfs_sb *sbp;
xfs_daddr_t d;
- bool debugger = (flags & LIBXFS_MOUNT_DEBUGGER);
int error;
- libxfs_buftarg_init(mp, dev, logdev, rtdev);
+ mp->m_features = xfs_sb_version_to_features(sb);
+ if (flags & LIBXFS_MOUNT_DEBUGGER)
+ xfs_set_debugger(mp);
+ if (flags & LIBXFS_MOUNT_REPORT_CORRUPTION)
+ xfs_set_reporting_corruption(mp);
+ libxfs_buftarg_init(mp, xi);
mp->m_finobt_nores = true;
- mp->m_flags = (LIBXFS_MOUNT_32BITINODES|LIBXFS_MOUNT_32BITINOOPT);
+ xfs_set_inode32(mp);
mp->m_sb = *sb;
INIT_RADIX_TREE(&mp->m_perag_tree, GFP_KERNEL);
- sbp = &(mp->m_sb);
+ sbp = &mp->m_sb;
+ spin_lock_init(&mp->m_sb_lock);
+ spin_lock_init(&mp->m_agirotor_lock);
xfs_sb_mount_common(mp, sb);
/*
* Set whether we're using stripe alignment.
*/
- if (xfs_sb_version_hasdalign(&mp->m_sb)) {
+ if (xfs_has_dalign(mp)) {
mp->m_dalign = sbp->sb_unit;
mp->m_swidth = sbp->sb_width;
}
- xfs_alloc_compute_maxlevels(mp);
- xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK);
- xfs_bmap_compute_maxlevels(mp, XFS_ATTR_FORK);
- xfs_ialloc_setup_geometry(mp);
- xfs_rmapbt_compute_maxlevels(mp);
- xfs_refcountbt_compute_maxlevels(mp);
+ libxfs_compute_all_maxlevels(mp);
/*
* Check that the data (and log if separate) are an ok size.
d = (xfs_daddr_t) XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks);
if (XFS_BB_TO_FSB(mp, d) != mp->m_sb.sb_dblocks) {
fprintf(stderr, _("%s: size check failed\n"), progname);
- if (!(flags & LIBXFS_MOUNT_DEBUGGER))
+ if (!xfs_is_debugger(mp))
return NULL;
}
xfs_da_mount(mp);
- if (xfs_sb_version_hasattr2(&mp->m_sb))
- mp->m_flags |= LIBXFS_MOUNT_ATTR2;
-
/* Initialize the precomputed transaction reservations values */
xfs_trans_init(mp);
- if (dev == 0) /* maxtrres, we have no device so leave now */
+ if (xi->data.dev == 0) /* maxtrres, we have no device so leave now */
return mp;
/* device size checks must pass unless we're a debugger. */
XFS_FSS_TO_BB(mp, 1), 0, &bp, NULL);
if (error) {
fprintf(stderr, _("%s: data size check failed\n"), progname);
- if (!debugger)
+ if (!xfs_is_debugger(mp))
return NULL;
} else
libxfs_buf_relse(bp);
0, &bp, NULL)) {
fprintf(stderr, _("%s: log size checks failed\n"),
progname);
- if (!debugger)
+ if (!xfs_is_debugger(mp))
return NULL;
}
if (bp)
libxfs_buf_relse(bp);
}
+ xfs_set_low_space_thresholds(mp);
+
/* Initialize realtime fields in the mount structure */
- if (rtmount_init(mp, flags)) {
+ if (rtmount_init(mp)) {
fprintf(stderr, _("%s: realtime device init failed\n"),
progname);
return NULL;
if (error) {
fprintf(stderr, _("%s: read of AG %u failed\n"),
progname, sbp->sb_agcount);
- if (!debugger)
+ if (!xfs_is_debugger(mp))
return NULL;
fprintf(stderr, _("%s: limiting reads to AG 0\n"),
progname);
libxfs_buf_relse(bp);
}
- error = libxfs_initialize_perag(mp, sbp->sb_agcount, &mp->m_maxagi);
+ error = libxfs_initialize_perag(mp, sbp->sb_agcount, sbp->sb_dblocks,
+ &mp->m_maxagi);
if (error) {
fprintf(stderr, _("%s: perag init failed\n"),
progname);
exit(1);
}
+ xfs_set_perag_data_loaded(mp);
return mp;
}
libxfs_umount(
struct xfs_mount *mp)
{
- struct xfs_perag *pag;
- int agno;
int error;
libxfs_rtmount_destroy(mp);
libxfs_bcache_purge();
error = libxfs_flush_mount(mp);
- for (agno = 0; agno < mp->m_maxagi; agno++) {
- pag = radix_tree_delete(&mp->m_perag_tree, agno);
- kmem_free(pag);
- }
+ /*
+ * Only try to free the per-AG structures if we set them up in the
+ * first place.
+ */
+ if (xfs_is_perag_data_loaded(mp))
+ libxfs_free_perag(mp);
kmem_free(mp->m_attr_geo);
kmem_free(mp->m_dir_geo);
*/
void
libxfs_destroy(
- struct libxfs_xinit *li)
+ struct libxfs_init *li)
{
int leaked;
libxfs_close_devices(li);
- /* Free everything from the buffer cache before freeing buffer zone */
+ /* Free everything from the buffer cache before freeing buffer cache */
libxfs_bcache_purge();
libxfs_bcache_free();
cache_destroy(libxfs_bcache);
- leaked = destroy_zones();
+ leaked = destroy_caches();
rcu_unregister_thread();
if (getenv("LIBXFS_LEAK_CHECK") && leaked)
exit(1);
projects / thirdparty / xfsprogs-dev.git / blobdiff