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authorAnton Altaparmakov <aia21@cantab.net>2005-09-08 22:13:02 +0100
committerAnton Altaparmakov <aia21@cantab.net>2005-09-08 22:13:02 +0100
commite604635c8bea16f6177e6133eb3efbfb4a029ef6 (patch)
treed0d7237d58ee4200123701c61ffb35a88872c04c /fs/ntfs/ChangeLog
parenta01ac532b519dc0e0b4d8bc4e12373e4e4cd1b1a (diff)
downloadop-kernel-dev-e604635c8bea16f6177e6133eb3efbfb4a029ef6.zip
op-kernel-dev-e604635c8bea16f6177e6133eb3efbfb4a029ef6.tar.gz
NTFS: Improve scalability by changing the driver global spin lock in
fs/ntfs/aops.c::ntfs_end_buffer_async_read() to a bit spin lock in the first buffer head of a page. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs/ntfs/ChangeLog')
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1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index 029f856..32a4150 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -86,6 +86,9 @@ ToDo/Notes:
- Fix fs/ntfs/aops.c::ntfs_{read,write}_block() to handle the case
where a concurrent truncate has truncated the runlist under our feet.
- Fix page_has_buffers()/page_buffers() handling in fs/ntfs/aops.c.
+ - In fs/ntfs/aops.c::ntfs_end_buffer_async_read(), use a bit spin lock
+ in the first buffer head instead of a driver global spin lock to
+ improve scalability.
2.1.23 - Implement extension of resident files and make writing safe as well as
many bug fixes, cleanups, and enhancements...
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