Mike Snitzer eb3fabde15 pnfs/flexfiles: retry getting layout segment for reads ...

If ff_layout_pg_get_read()'s attempt to get a layout segment results
in -EAGAIN have ff_layout_pg_init_read() retry it after sleeping.

If "softerr" mount is used, use 'io_maxretrans' to limit the number of
attempts to get a layout segment.

This fixes a long-standing issue of O_DIRECT reads failing with
-EAGAIN (11) when using flexfiles Client Side Mirroring (CSM).

Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>

2025-01-22 14:26:46 -05:00

..

flexfilelayout.c

pnfs/flexfiles: retry getting layout segment for reads

2025-01-22 14:26:46 -05:00

flexfilelayout.h

nfs: cache all open LOCALIO nfsd_file(s) in client

2025-01-14 17:04:05 -05:00

flexfilelayoutdev.c

pnfs/flexfiles: enable localio support

2024-09-23 15:03:30 -04:00

Makefile

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00