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Jie Liu 2f42d612e7 xfs: don't perform discard if the given range length is less than block size 
For discard operation, we should return EINVAL if the given range length
is less than a block size, otherwise it will go through the file system
to discard data blocks as the end range might be evaluated to -1, e.g,
# fstrim -v -o 0 -l 100 /xfs7
/xfs7: 9811378176 bytes were trimmed

This issue can be triggered via xfstests/generic/288.

Also, it seems to get the request queue pointer via bdev_get_queue()
instead of the hard code pointer dereference is not a bad thing.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>

(cherry picked from commit f9fd0135610084abef6867d984e9951c3099950d)
2013-12-10 10:00:33 -06:00
..
Kconfig
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
kmem.c
xfs: simplify kmem_{zone_}zalloc
2013-11-06 16:31:27 -06:00
kmem.h
xfs: simplify kmem_{zone_}zalloc
2013-11-06 16:31:27 -06:00
Makefile
xfs: abstract the differences in dir2/dir3 via an ops vector
2013-10-30 13:37:38 -05:00
mrlock.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
time.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.h
xfs: add CRC infrastructure
2012-11-19 20:11:24 -06:00
xfs_acl.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_acl.h
xfs: increase number of ACL entries for V5 superblocks
2013-06-06 10:52:15 -05:00
xfs_ag.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_alloc_btree.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_alloc_btree.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_alloc.c
xfs: add tracepoints to AGF/AGI read operations
2013-11-06 12:42:52 -06:00
xfs_alloc.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_aops.c
xfs: prevent stack overflows from page cache allocation
2013-10-30 15:44:51 -05:00
xfs_aops.h
direct-io: Implement generic deferred AIO completions
2013-09-04 09:23:46 -04:00
xfs_attr_inactive.c
xfs: vectorise encoding/decoding directory headers
2013-10-30 13:47:22 -05:00
xfs_attr_leaf.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_attr_leaf.h
xfs: unify directory/attribute format definitions
2013-10-23 14:21:40 -05:00
xfs_attr_list.c
xfs: vectorise encoding/decoding directory headers
2013-10-30 13:47:22 -05:00
xfs_attr_remote.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_attr_remote.h
xfs: unify directory/attribute format definitions
2013-10-23 14:21:40 -05:00
xfs_attr_sf.h
…
xfs_attr.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_attr.h
xfs: kill xfs_vnodeops.[ch]
2013-08-12 16:53:39 -05:00
xfs_bit.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_bit.h
…
xfs_bmap_btree.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_bmap_btree.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_bmap_util.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_bmap_util.h
xfs: fold xfs_change_file_space into xfs_ioc_space
2013-10-21 16:57:03 -05:00
xfs_bmap.c
xfs: fix unlock in xfs_bmap_add_attrfork
2013-11-18 09:12:54 -06:00
xfs_bmap.h
xfs: remove __KERNEL__ from debug code
2013-08-12 16:58:37 -05:00
xfs_btree.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_btree.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_buf_item.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_buf_item.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_buf.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_buf.h
xfs: rework buffer dispose list tracking
2013-09-10 18:56:31 -04:00
xfs_cksum.h
xfs: add CRC infrastructure
2012-11-19 20:11:24 -06:00
xfs_da_btree.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_da_btree.h
xfs: abstract the differences in dir2/dir3 via an ops vector
2013-10-30 13:37:38 -05:00
xfs_da_format.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_da_format.h
xfs: convert directory vector functions to constants
2013-10-30 13:48:41 -05:00
xfs_dinode.h
xfs: di_flushiter considered harmful
2013-07-25 10:41:42 -05:00
xfs_dir2_block.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_dir2_data.c
xfs: validity check the directory block leaf entry count
2013-10-30 13:57:14 -05:00
xfs_dir2_leaf.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_dir2_node.c
xfs:xfs_dir2_node.c: pointer use before check for null
2013-10-30 15:53:14 -05:00
xfs_dir2_priv.h
xfs: vectorise encoding/decoding directory headers
2013-10-30 13:47:22 -05:00
xfs_dir2_readdir.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_dir2_sf.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_dir2.c
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_dir2.h
xfs: convert directory vector functions to constants
2013-10-30 13:49:18 -05:00
xfs_discard.c
xfs: don't perform discard if the given range length is less than block size
2013-12-10 10:00:33 -06:00
xfs_discard.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_dquot_buf.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_dquot_item.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_dquot_item.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_dquot.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_dquot.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_error.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_error.h
xfs: kill support/debug.[ch]
2011-03-07 10:09:35 +11:00
xfs_export.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_export.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_extent_busy.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_extent_busy.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_extfree_item.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_extfree_item.h
xfs: split out EFI/EFD log item format definition
2013-08-12 16:07:13 -05:00
xfs_file.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_filestream.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_filestream.h
xfs: xfs_filestreams.h doesn't need __KERNEL__
2013-08-12 17:00:11 -05:00
xfs_format.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_fs.h
xfs: add the inode directory type support to XFS_IOC_FSGEOM
2013-10-08 14:28:09 -05:00
xfs_fsops.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_fsops.h
xfs: ensure log covering transactions are synchronous
2011-01-11 20:28:17 -06:00
xfs_globals.c
xfs: add background scanning to clear eofblocks inodes
2012-11-08 15:34:59 -06:00
xfs_ialloc_btree.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_ialloc_btree.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_ialloc.c
xfs: add tracepoints to AGF/AGI read operations
2013-11-06 12:42:52 -06:00
xfs_ialloc.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_icache.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_icache.h
xfs: update #2 for v3.12-rc1
2013-09-12 16:13:41 -07:00
xfs_icreate_item.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_icreate_item.h
xfs: separate icreate log format definitions from xfs_icreate_item.h
2013-08-12 16:10:35 -05:00
xfs_inode_buf.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_inode_buf.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_inode_fork.c
xfs: fix the extent count when allocating an new indirection array entry
2013-10-31 16:43:19 -05:00
xfs_inode_fork.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_inode_item.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_inode_item.h
xfs: split out inode log item format definition
2013-08-12 16:05:19 -05:00
xfs_inode.c
xfs: xfs_remove deadlocks due to inverted AGF vs AGI lock ordering
2013-11-04 13:18:48 -06:00
xfs_inode.h
xfs: abstract the differences in dir2/dir3 via an ops vector
2013-10-30 13:37:38 -05:00
xfs_inum.h
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_ioctl32.c
xfs: underflow bug in xfs_attrlist_by_handle()
2013-12-10 09:59:37 -06:00
xfs_ioctl32.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_ioctl.c
xfs: underflow bug in xfs_attrlist_by_handle()
2013-12-10 09:59:37 -06:00
xfs_ioctl.h
xfs: consolidate extent swap code
2013-08-12 16:56:06 -05:00
xfs_iomap.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_iomap.h
xfs: get rid of count from xfs_iomap_write_allocate()
2013-10-01 15:42:34 -05:00
xfs_iops.c
xfs: prevent stack overflows from page cache allocation
2013-10-30 15:44:51 -05:00
xfs_iops.h
xfs: fold xfs_change_file_space into xfs_ioc_space
2013-10-21 16:57:03 -05:00
xfs_itable.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_itable.h
…
xfs_linux.h
xfs: remove two unused macro definitions in xfs_linux.h
2013-08-20 15:30:23 -05:00
xfs_log_cil.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_log_format.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_log_priv.h
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_log_recover.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_log_recover.h
…
xfs_log_rlimit.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_log.c
xfs: trace AIL manipulations
2013-11-06 12:41:51 -06:00
xfs_log.h
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_message.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_message.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
xfs_mount.c
xfs: increase inode cluster size for v5 filesystems
2013-11-18 09:29:36 -06:00
xfs_mount.h
xfs: increase inode cluster size for v5 filesystems
2013-11-18 09:29:36 -06:00
xfs_mru_cache.c
xfs: convert to alloc_workqueue()
2011-02-01 11:42:43 +01:00
xfs_mru_cache.h
…
xfs_qm_bhv.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_qm_syscalls.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_qm.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_qm.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quota_defs.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quota_priv.h
xfs: use per-filesystem radix trees for dquot lookup
2012-03-14 11:09:06 -05:00
xfs_quota.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quotaops.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_rtalloc.c
xfs: split xfs_rtalloc.c for userspace sanity
2013-10-23 17:16:32 -05:00
xfs_rtalloc.h
xfs: split xfs_rtalloc.c for userspace sanity
2013-10-23 17:16:32 -05:00
xfs_rtbitmap.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_sb.c
xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields
2013-10-30 16:38:29 -05:00
xfs_sb.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_shared.h
xfs: create a shared header file for format-related information
2013-10-23 14:11:30 -05:00
xfs_stats.c
xfs: use common code for quota statistics
2012-03-14 11:09:06 -05:00
xfs_stats.h
xfs: use common code for quota statistics
2012-03-14 11:09:06 -05:00
xfs_super.c
xfs: update for v3.13-rc1
2013-11-14 17:16:35 +09:00
xfs_super.h
xfs: xfs_sync_data is redundant.
2012-10-17 12:01:25 -05:00
xfs_symlink_remote.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_symlink.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_symlink.h
xfs: push down inactive transaction mgmt for remote symlinks
2013-10-08 14:53:02 -05:00
xfs_sysctl.c
xfs: Convert use of typedef ctl_table to struct ctl_table
2013-06-17 17:42:25 -05:00
xfs_sysctl.h
xfs: add background scanning to clear eofblocks inodes
2012-11-08 15:34:59 -06:00
xfs_trace.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_trace.h
xfs: add tracepoints to AGF/AGI read operations
2013-11-06 12:42:52 -06:00
xfs_trans_ail.c
xfs: trace AIL manipulations
2013-11-06 12:41:51 -06:00
xfs_trans_buf.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_trans_dquot.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_trans_extfree.c
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_trans_inode.c
xfs: open code inc_inode_iversion when logging an inode
2013-11-18 09:42:08 -06:00
xfs_trans_priv.h
xfs: decouple log and transaction headers
2013-10-23 16:17:44 -05:00
xfs_trans_resv.c
xfs: increase inode cluster size for v5 filesystems
2013-11-18 09:29:36 -06:00
xfs_trans_resv.h
xfs: Get rid of all XFS_XXX_LOG_RES() macro
2013-08-12 17:48:08 -05:00
xfs_trans_space.h
…
xfs_trans.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_trans.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_types.h
xfs: Add read-only support for dirent filetype field
2013-08-22 08:40:24 -05:00
xfs_vnode.h
xfs: clean up xfs_inactive() error handling, kill VN_INACTIVE_[NO]CACHE
2013-10-08 17:20:41 -05:00
xfs_xattr.c
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00