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linux_dsm_epyc7002/fs/ocfs2
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Mark Fasheh 8341897882 ocfs2: Cache extent records 
The extent map code was ripped out earlier because of an inability to deal
with holes. This patch adds back a simpler caching scheme requiring far less
code.

Our old extent map caching was designed back when meta data block caching in
Ocfs2 didn't work very well, resulting in many disk reads. These days our
metadata caching is much better, resulting in no un-necessary disk reads. As
a result, extent caching doesn't have to be as fancy, nor does it have to
cache as many extents. Keeping the last 3 extents seen should be sufficient
to give us a small performance boost on some streaming workloads.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2007-04-26 15:10:40 -07:00
..
cluster ocfs2: Remove delete inode vote 2007-04-26 14:39:48 -07:00
dlm ocfs2: Silence compiler warnings 2007-04-26 13:38:55 -07:00
alloc.c ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
alloc.h ocfs2: make room for unwritten extents flag 2007-04-26 15:02:37 -07:00
aops.c ocfs2: Remember rw lock level during direct io 2007-04-26 15:07:45 -07:00
aops.h ocfs2: Remember rw lock level during direct io 2007-04-26 15:07:45 -07:00
buffer_head_io.c ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
buffer_head_io.h ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
dcache.c ocfs2: Remove special casing for inode creation in ocfs2_dentry_attach_lock() 2006-09-24 13:50:45 -07:00
dcache.h ocfs2: Remove special casing for inode creation in ocfs2_dentry_attach_lock() 2006-09-24 13:50:45 -07:00
dir.c ocfs2: Fix up i_blocks calculation to know about holes 2007-04-26 15:07:40 -07:00
dir.h ocfs2: Remove struct ocfs2_journal_handle in favor of handle_t 2006-12-01 18:28:28 -08:00
dlmglue.c ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
dlmglue.h ocfs2: Remove delete inode vote 2007-04-26 14:39:48 -07:00
endian.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
export.c ocfs2: cleanup ocfs2_iget() errors 2007-01-21 16:19:12 -08:00
export.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
extent_map.c ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
extent_map.h ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
file.c ocfs2: Remember rw lock level during direct io 2007-04-26 15:07:45 -07:00
file.h ocfs2: teach ocfs2_file_aio_write() about sparse files 2007-04-26 15:02:08 -07:00
heartbeat.c ocfs2: Proper cleanup in case of error in ocfs2_register_hb_callbacks() 2007-03-14 14:37:09 -07:00
heartbeat.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
inode.c ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
inode.h ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
ioctl.c ocfs2: Remove struct ocfs2_journal_handle in favor of handle_t 2006-12-01 18:28:28 -08:00
ioctl.h ocfs2: add ext2 attributes 2006-09-20 15:48:39 -07:00
journal.c ocfs2: Fix up i_blocks calculation to know about holes 2007-04-26 15:07:40 -07:00
journal.h ocfs2: make room for unwritten extents flag 2007-04-26 15:02:37 -07:00
localalloc.c [PATCH] Fix numerous kcalloc() calls, convert to kzalloc() 2006-12-13 09:05:52 -08:00
localalloc.h ocfs2: Remove struct ocfs2_journal_handle in favor of handle_t 2006-12-01 18:28:28 -08:00
Makefile ocfs2: add ext2 attributes 2006-09-20 15:48:39 -07:00
mmap.c ocfs2: Turn off shared writeable mmap for local files systems with holes. 2007-04-26 15:02:01 -07:00
mmap.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
namei.c ocfs2: Fix up i_blocks calculation to know about holes 2007-04-26 15:07:40 -07:00
namei.h [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
ocfs1_fs_compat.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
ocfs2_fs.h ocfs2: make room for unwritten extents flag 2007-04-26 15:02:37 -07:00
ocfs2_lockid.h ocfs2: Remove delete inode vote 2007-04-26 14:39:48 -07:00
ocfs2.h ocfs2: zero tail of sparse files on truncate 2007-04-26 15:02:20 -07:00
slot_map.c ocfs2: Read from an unwritten extent returns zeros 2007-04-26 15:02:41 -07:00
slot_map.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
suballoc.c ocfs2: Fix up i_blocks calculation to know about holes 2007-04-26 15:07:40 -07:00
suballoc.h ocfs2: Remove struct ocfs2_journal_handle in favor of handle_t 2006-12-01 18:28:28 -08:00
super.c ocfs2: Cache extent records 2007-04-26 15:10:40 -07:00
super.h ocfs2: use __attribute__ format 2006-03-24 14:58:24 -08:00
symlink.c [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
symlink.h [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
sysfile.c ocfs2: Remove i_generation from inode lock names 2006-09-24 13:50:46 -07:00
sysfile.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
uptodate.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
uptodate.h ocfs2: implement directory read-ahead 2006-09-20 15:53:40 -07:00
ver.c [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
ver.h [PATCH] OCFS2: The Second Oracle Cluster Filesystem 2006-01-03 11:45:47 -08:00
vote.c ocfs2: remove unused code 2007-04-26 14:40:16 -07:00
vote.h ocfs2: remove unused code 2007-04-26 14:40:16 -07:00