alex@clusterfs.com
2007-Feb-04 04:47 UTC
[Lustre-devel] [Bug 11290] ldiskfs changes to support server I/O cleanup
Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: https://bugzilla.lustre.org/show_bug.cgi?id=11290 Created an attachment (id=9498) Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: --> (https://bugzilla.lustre.org/attachment.cgi?id=9498&action=view) support for non-aligned appends via DIO tested a bit ...
alex@clusterfs.com
2007-Feb-04 04:49 UTC
[Lustre-devel] [Bug 11290] ldiskfs changes to support server I/O cleanup
Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: https://bugzilla.lustre.org/show_bug.cgi?id=11290 Created an attachment (id=9499) Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: --> (https://bugzilla.lustre.org/attachment.cgi?id=9499&action=view) a silly programm to test non-aligned appends issues few DIO appends, then checks consistency with buffered reads.
alex@clusterfs.com
2007-Feb-04 13:08 UTC
[Lustre-devel] [Bug 11290] ldiskfs changes to support server I/O cleanup
Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: https://bugzilla.lustre.org/show_bug.cgi?id=11290 Created an attachment (id=9500) Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: --> (https://bugzilla.lustre.org/attachment.cgi?id=9500&action=view) range locking support for ext3 (alpha version) tested with concurrent appends on UP. need much more testing ... in this patch generic range locks support is built into ext3, but the feature should go into kernel''s lib/.
alex@clusterfs.com
2007-Feb-04 13:10 UTC
[Lustre-devel] [Bug 11290] ldiskfs changes to support server I/O cleanup
Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: https://bugzilla.lustre.org/show_bug.cgi?id=11290 Created an attachment (id=9501) Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: --> (https://bugzilla.lustre.org/attachment.cgi?id=9501&action=view) a program doing concurrent appends to test range locking for ext3 it especially exams a case when file is opened with O_APPEND and i_size changes after we got lock.
alex@clusterfs.com
2007-Feb-05 11:36 UTC
[Lustre-devel] [Bug 11290] ldiskfs changes to support server I/O cleanup
Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: https://bugzilla.lustre.org/show_bug.cgi?id=11290 Created an attachment (id=9508) Please don''t reply to lustre-devel. Instead, comment in Bugzilla by using the following link: --> (https://bugzilla.lustre.org/attachment.cgi?id=9508&action=view) fine grained cache invalidation for dio patch the idea is that we don''t need to flush/invalidate a whole mapping. rather we should update affected range.