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| author | David Howells <dhowells@redhat.com> | 2012-12-05 13:34:48 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-12-20 22:10:44 +0000 |
| commit | 75bc411388f4aeb9fb0381bd56eb5d67193ed9a1 (patch) | |
| tree | 78248c99fe37dd24ee22b421e7716e85e65e2ab3 /fs/fscache | |
| parent | c2d35bfe4b508451b75b5b6bc60a08dbdc44f952 (diff) | |
| download | lwn-75bc411388f4aeb9fb0381bd56eb5d67193ed9a1.tar.gz lwn-75bc411388f4aeb9fb0381bd56eb5d67193ed9a1.zip | |
FS-Cache: Limit the number of I/O error reports for a cache
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>
Diffstat (limited to 'fs/fscache')
| -rw-r--r-- | 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 6a3c48abd677..b52aed1dca97 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); |