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d748c62367
android_kernel_xiaomi_sm8350/fs/xfs
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Matthew Wilcox d748c62367 [XFS] Convert l_flushsema to a sv_t 
The l_flushsema doesn't exactly have completion semantics, nor mutex
semantics. It's used as a list of tasks which are waiting to be notified
that a flush has completed. It was also being used in a way that was
potentially racy, depending on the semaphore implementation.

By using a sv_t instead of a semaphore we avoid the need for a separate
counter, since we know we just need to wake everything on the queue.

Original waitqueue implementation from Matthew Wilcox. Cleanup and
conversion to sv_t by Christoph Hellwig.

SGI-PV: 981507
SGI-Modid: xfs-linux-melb:xfs-kern:31059a

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28 16:58:12 +10:00
..
linux-2.6 [XFS] Remove unused wbc parameter from xfs_start_page_writeback() 2008-07-28 16:58:09 +10:00
quota [XFS] Remove unused Falgs parameter from xfs_qm_dqpurge() 2008-07-28 16:58:08 +10:00
support [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
Kconfig [XFS] allow enabling CONFIG_XFS_DEBUG 2008-04-29 16:07:48 +10:00
Makefile
xfs_acl.c [XFS] Cleanup xfs_attr a bit with xfs_name and remove cred 2008-04-29 15:54:55 +10:00
xfs_acl.h
xfs_ag.h
xfs_alloc_btree.c
xfs_alloc_btree.h
xfs_alloc.c [XFS] fix logic error in xfs_alloc_ag_vextent_near() 2008-04-18 12:03:02 +10:00
xfs_alloc.h
xfs_arch.h
xfs_attr_leaf.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_attr_leaf.h
xfs_attr_sf.h
xfs_attr.c [XFS] Cleanup xfs_attr a bit with xfs_name and remove cred 2008-04-29 15:54:55 +10:00
xfs_attr.h [XFS] Cleanup xfs_attr a bit with xfs_name and remove cred 2008-04-29 15:54:55 +10:00
xfs_bit.c
xfs_bit.h
xfs_bmap_btree.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_bmap_btree.h
xfs_bmap.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_bmap.h [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_btree.c
xfs_btree.h
xfs_buf_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_buf_item.h
xfs_clnt.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_da_btree.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_da_btree.h
xfs_dfrag.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dfrag.h
xfs_dinode.h
xfs_dir2_block.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dir2_block.h
xfs_dir2_data.c
xfs_dir2_data.h
xfs_dir2_leaf.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dir2_leaf.h
xfs_dir2_node.c [XFS] Split xfs_dir2_leafn_lookup_int into its two pieces of functionality 2008-07-28 16:58:03 +10:00
xfs_dir2_node.h
xfs_dir2_sf.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dir2_sf.h
xfs_dir2_trace.c
xfs_dir2_trace.h
xfs_dir2.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dir2.h [XFS] remove bhv_vname_t and xfs_rename code 2008-04-18 12:00:12 +10:00
xfs_dmapi.h
xfs_dmops.c
xfs_error.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_error.h
xfs_extfree_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_extfree_item.h
xfs_filestream.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_filestream.h
xfs_fs.h
xfs_fsops.c [XFS] Don't double count reserved block changes on UP. 2008-04-29 15:58:27 +10:00
xfs_fsops.h
xfs_ialloc_btree.c
xfs_ialloc_btree.h
xfs_ialloc.c [XFS] Don't initialise new inode generation numbers to zero 2008-04-29 15:58:56 +10:00
xfs_ialloc.h
xfs_iget.c [XFS] shrink mrlock_t 2008-04-29 15:54:02 +10:00
xfs_imap.h
xfs_inode_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_inode_item.h [XFS] Use xfs_inode_clean() in more places 2008-04-18 11:37:51 +10:00
xfs_inode.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_inode.h [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_inum.h
xfs_iomap.c [XFS] Fix check for block zero access in xfs_write_iomap_allocate() 2008-04-29 15:58:40 +10:00
xfs_iomap.h
xfs_itable.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_itable.h
xfs_log_priv.h [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log_recover.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_log_recover.h
xfs_log.c [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log.h [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_mount.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_mount.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_mru_cache.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_mru_cache.h
xfs_qmops.c
xfs_quota.h
xfs_refcache.h
xfs_rename.c [XFS] kill usesless IHOLD calls in xfs_rename 2008-04-29 15:54:24 +10:00
xfs_rtalloc.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_rtalloc.h
xfs_rw.c [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_rw.h
xfs_sb.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_trans_ail.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_trans_buf.c [XFS] Ensure errors from xfs_bdstrat() are correctly checked. 2008-04-18 12:00:24 +10:00
xfs_trans_extfree.c
xfs_trans_inode.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_priv.h
xfs_trans_space.h
xfs_trans.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans.h [XFS] Replace custom AIL linked-list code with struct list_head 2008-04-18 11:41:57 +10:00
xfs_types.h [XFS] remove bhv_vname_t and xfs_rename code 2008-04-18 12:00:12 +10:00
xfs_utils.c [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_utils.h [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_vfsops.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_vfsops.h
xfs_vnodeops.c [XFS] Fix fsync() b0rkage. 2008-05-23 15:25:25 +10:00
xfs_vnodeops.h [XFS] Fix fsync() b0rkage. 2008-05-23 15:25:25 +10:00
xfs.h [XFS] Fix broken HAVE_SPLICE removal commit. 2008-04-29 15:57:49 +10:00