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df554c148e
This change fixes a kernel panic which would occur when resizing a dataset which was not open. The objset_t stored in the zvol_state_t will be set to NULL when the block device is closed. To avoid this issue we pass the correct objset_t as the third arg. The code has also been updated to correctly notify the kernel when the block device capacity changes. For 2.6.28 and newer kernels the capacity change will be immediately detected. For earlier kernels the capacity change will be detected when the device is next opened. This is a known limitation of older kernels. Online ext3 resize test case passes on 2.6.28+ kernels: $ dd if=/dev/zero of=/tmp/zvol bs=1M count=1 seek=1023 $ zpool create tank /tmp/zvol $ zfs create -V 500M tank/zd0 $ mkfs.ext3 /dev/zd0 $ mkdir /mnt/zd0 $ mount /dev/zd0 /mnt/zd0 $ df -h /mnt/zd0 $ zfs set volsize=800M tank/zd0 $ resize2fs /dev/zd0 $ df -h /mnt/zd0 Original-patch-by: Fajar A. Nugraha <github@fajar.net> Closes #68 Closes #84
233 lines
5.3 KiB
C
233 lines
5.3 KiB
C
/* zfs_config.h.in. Generated from configure.ac by autoheader. */
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/* invalidate_bdev() wants 1 arg */
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#undef HAVE_1ARG_INVALIDATE_BDEV
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/* bio_end_io_t wants 2 args */
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#undef HAVE_2ARGS_BIO_END_IO_T
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/* fops->fsync() want 2 args */
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#undef HAVE_2ARGS_FSYNC
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/* struct block_device_operations use bdevs */
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#undef HAVE_BDEV_BLOCK_DEVICE_OPERATIONS
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/* bdev_logical_block_size() is available */
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#undef HAVE_BDEV_LOGICAL_BLOCK_SIZE
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/* bio_empy_barrier() is defined */
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#undef HAVE_BIO_EMPTY_BARRIER
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/* REQ_FAILFAST_MASK is defined */
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#undef HAVE_BIO_REQ_FAILFAST_MASK
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/* BIO_RW_FAILFAST is defined */
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#undef HAVE_BIO_RW_FAILFAST
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/* BIO_RW_FAILFAST_* are defined */
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#undef HAVE_BIO_RW_FAILFAST_DTD
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/* BIO_RW_SYNC is defined */
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#undef HAVE_BIO_RW_SYNC
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/* BIO_RW_SYNCIO is defined */
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#undef HAVE_BIO_RW_SYNCIO
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/* blkdev_get_by_path() is available */
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#undef HAVE_BLKDEV_GET_BY_PATH
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/* blk_end_request() is available */
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#undef HAVE_BLK_END_REQUEST
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/* blk_end_request() is GPL-only */
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#undef HAVE_BLK_END_REQUEST_GPL_ONLY
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/* blk_fetch_request() is available */
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#undef HAVE_BLK_FETCH_REQUEST
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/* blk_requeue_request() is available */
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#undef HAVE_BLK_REQUEUE_REQUEST
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/* blk_rq_bytes() is available */
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#undef HAVE_BLK_RQ_BYTES
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/* blk_rq_bytes() is GPL-only */
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#undef HAVE_BLK_RQ_BYTES_GPL_ONLY
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/* blk_rq_pos() is available */
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#undef HAVE_BLK_RQ_POS
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/* blk_rq_sectors() is available */
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#undef HAVE_BLK_RQ_SECTORS
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/* check_disk_size_change() is available */
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#undef HAVE_CHECK_DISK_SIZE_CHANGE
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/* super_block uses const struct xattr_hander */
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#undef HAVE_CONST_XATTR_HANDLER
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/* xattr_handler->get() wants dentry */
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#undef HAVE_DENTRY_XATTR_GET
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/* xattr_handler->set() wants dentry */
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#undef HAVE_DENTRY_XATTR_SET
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/* Define to 1 if you have the <dlfcn.h> header file. */
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#undef HAVE_DLFCN_H
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/* d_obtain_alias() is available */
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#undef HAVE_D_OBTAIN_ALIAS
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/* sops->evict_inode() exists */
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#undef HAVE_EVICT_INODE
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/* kernel defines fmode_t */
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#undef HAVE_FMODE_T
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/* blk_disk_ro() is available */
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#undef HAVE_GET_DISK_RO
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/* Define to 1 if licensed under the GPL */
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#undef HAVE_GPL_ONLY_SYMBOLS
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/* insert_inode_locked() is available */
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#undef HAVE_INSERT_INODE_LOCKED
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/* Define to 1 if you have the <inttypes.h> header file. */
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#undef HAVE_INTTYPES_H
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/* result=stropts.h Define to 1 if ioctl() defined in <stropts.h> */
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#undef HAVE_IOCTL_IN_STROPTS_H
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/* Define to 1 if ioctl() defined in <sys/ioctl.h> */
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#undef HAVE_IOCTL_IN_SYS_IOCTL_H
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/* Define to 1 if ioctl() defined in <unistd.h> */
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#undef HAVE_IOCTL_IN_UNISTD_H
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/* kernel defines KOBJ_NAME_LEN */
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#undef HAVE_KOBJ_NAME_LEN
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/* Define if you have libblkid */
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#undef HAVE_LIBBLKID
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/* Define if you have selinux */
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#undef HAVE_LIBSELINUX
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/* Define if you have libuuid */
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#undef HAVE_LIBUUID
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/* Define to 1 if you have the `z' library (-lz). */
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#undef HAVE_LIBZ
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/* Define to 1 if you have the <memory.h> header file. */
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#undef HAVE_MEMORY_H
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/* open_bdev_exclusive() is available */
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#undef HAVE_OPEN_BDEV_EXCLUSIVE
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/* REQ_SYNC is defined */
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#undef HAVE_REQ_SYNC
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/* rq_for_each_segment() is available */
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#undef HAVE_RQ_FOR_EACH_SEGMENT
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/* rq_is_sync() is available */
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#undef HAVE_RQ_IS_SYNC
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/* Define to 1 if you have the <stdint.h> header file. */
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#undef HAVE_STDINT_H
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/* Define to 1 if you have the <stdlib.h> header file. */
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#undef HAVE_STDLIB_H
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/* Define to 1 if you have the <strings.h> header file. */
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#undef HAVE_STRINGS_H
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/* Define to 1 if you have the <string.h> header file. */
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#undef HAVE_STRING_H
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/* Define to 1 if you have the <sys/stat.h> header file. */
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#undef HAVE_SYS_STAT_H
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/* Define to 1 if you have the <sys/types.h> header file. */
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#undef HAVE_SYS_TYPES_H
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/* Define to 1 if you have the <unistd.h> header file. */
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#undef HAVE_UNISTD_H
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/* Define if you have zlib */
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#undef HAVE_ZLIB
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/* Define to the sub-directory in which libtool stores uninstalled libraries.
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*/
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#undef LT_OBJDIR
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/* Define to 1 if NPTL threading implementation includes guard area in stack
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allocation */
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#undef NPTL_GUARD_WITHIN_STACK
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/* Name of package */
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#undef PACKAGE
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/* Define to the address where bug reports for this package should be sent. */
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#undef PACKAGE_BUGREPORT
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/* Define to the full name of this package. */
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#undef PACKAGE_NAME
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/* Define to the full name and version of this package. */
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#undef PACKAGE_STRING
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/* Define to the one symbol short name of this package. */
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#undef PACKAGE_TARNAME
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/* Define to the version of this package. */
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#undef PACKAGE_VERSION
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/* Define to 1 if you have the ANSI C header files. */
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#undef STDC_HEADERS
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/* Version number of package */
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#undef VERSION
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/* Define the project alias string. */
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#undef ZFS_META_ALIAS
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/* Define the project author. */
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#undef ZFS_META_AUTHOR
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/* Define the project release date. */
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#undef ZFS_META_DATA
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/* Define the project license. */
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#undef ZFS_META_LICENSE
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/* Define the libtool library 'age' version information. */
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#undef ZFS_META_LT_AGE
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/* Define the libtool library 'current' version information. */
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#undef ZFS_META_LT_CURRENT
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/* Define the libtool library 'revision' version information. */
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#undef ZFS_META_LT_REVISION
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/* Define the project name. */
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#undef ZFS_META_NAME
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/* Define the project release. */
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#undef ZFS_META_RELEASE
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/* Define the project version. */
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#undef ZFS_META_VERSION
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#undef PACKAGE
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#undef PACKAGE_BUGREPORT
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#undef PACKAGE_NAME
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#undef PACKAGE_VERSION
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#undef STDC_HEADERS
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#undef VERSION
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