Messages in this thread Patch in this message | | | From | David Howells <> | Subject | [PATCH 15/17] FS-Cache: Limit the number of I/O error reports for a cache | Date | Wed, 08 Feb 2012 21:19:15 +0000 |
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Limit the number of I/O error reports for a cache to 1 to prevent massive amounts of noise. After the first I/O error the cache is taken off line automatically, so must be restarted to resume caching.
Signed-off-by: David Howells <dhowells@redhat.com> ---
fs/fscache/cache.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/fscache/cache.c b/fs/fscache/cache.c index 6a3c48a..b52aed1 100644 --- a/fs/fscache/cache.c +++ b/fs/fscache/cache.c @@ -314,10 +314,10 @@ EXPORT_SYMBOL(fscache_add_cache); */ void fscache_io_error(struct fscache_cache *cache) { - set_bit(FSCACHE_IOERROR, &cache->flags); - - printk(KERN_ERR "FS-Cache: Cache %s stopped due to I/O error\n", - cache->ops->name); + if (!test_and_set_bit(FSCACHE_IOERROR, &cache->flags)) + printk(KERN_ERR "FS-Cache:" + " Cache '%s' stopped due to I/O error\n", + cache->ops->name); } EXPORT_SYMBOL(fscache_io_error);
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