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staging/lustre/llite: Do not rate limit dirty page discard warning 

Messages which are printed by ll_dirty_page_discard_warn() should not
be rate limited.  If they are rate limited, some files which may be
corrupted on client eviction will not be reported to the user.

This patch changes the CWARN to a CDEBUG to disable console message
rate limiting for this message.  The dirty page discard warnings are
already limited on a per-file basis by the function vvp_vmpage_error
which calls ll_dirty_page_discard_warn only if the ccc_object's
cob_discard_page_warned == 0.

Signed-off-by: Ryan Haasken <haasken@cray.com>
Reviewed-on: http://review.whamcloud.com/9752
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4799
Reviewed-by: Cory Spitz <spitzcor@cray.com>
Reviewed-by: Ann Koehler <amk@cray.com>
Reviewed-by: Chris Horn <hornc@cray.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ryan Haasken 2014-04-27 13:07:01 -04:00 committed by Greg Kroah-Hartman
parent 47a57bde2a
commit 73b8990780
1 changed files with 6 additions and 5 deletions
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11
drivers/staging/lustre/lustre/llite/llite_lib.c
View File

@ -2456,11 +2456,12 @@ void ll_dirty_page_discard_warn(struct page *page, int ioret)
path = ll_d_path(dentry, buf, PAGE_SIZE);
}
CWARN("%s: dirty page discard: %s/fid: "DFID"/%s may get corrupted "
"(rc %d)\n", ll_get_fsname(page->mapping->host->i_sb, NULL, 0),
s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev,
PFID(&obj->cob_header.coh_lu.loh_fid),
(path && !IS_ERR(path)) ? path : "", ioret);
CDEBUG(D_WARNING,
"%s: dirty page discard: %s/fid: "DFID"/%s may get corrupted "
"(rc %d)\n", ll_get_fsname(page->mapping->host->i_sb, NULL, 0),
s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev,
PFID(&obj->cob_header.coh_lu.loh_fid),
(path && !IS_ERR(path)) ? path : "", ioret);
if (dentry != NULL)
dput(dentry);