diff options
Diffstat (limited to 'xlators/performance/io-cache/src/page.c')
| -rw-r--r-- | xlators/performance/io-cache/src/page.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/xlators/performance/io-cache/src/page.c b/xlators/performance/io-cache/src/page.c index 4f9e76cb271..475a095e6d4 100644 --- a/xlators/performance/io-cache/src/page.c +++ b/xlators/performance/io-cache/src/page.c @@ -285,7 +285,7 @@ int8_t ioc_cache_still_valid (ioc_inode_t *ioc_inode, struct stat *stbuf) { int8_t cache_still_valid = 1; - + #if 0 if (!stbuf || (stbuf->st_mtime != ioc_inode->cache.mtime) || (stbuf->st_mtim.tv_nsec != ioc_inode->stbuf.st_mtim.tv_nsec)) @@ -342,31 +342,35 @@ ioc_fault_cbk (call_frame_t *frame, void *cookie, xlator_t *this, size_t page_size = 0; ioc_waitq_t *waitq = NULL; size_t iobref_page_size = 0; + char zero_filled = 0; local = frame->local; offset = local->pending_offset; ioc_inode = local->inode; table = ioc_inode->table; - trav_offset = offset; + trav_offset = offset; payload_size = op_ret; + zero_filled = ((op_ret >=0) + && (stbuf->st_mtime == 0)); + ioc_inode_lock (ioc_inode); { - if (op_ret == -1 || - (op_ret >= 0 && - !ioc_cache_still_valid(ioc_inode, stbuf))) { + if (op_ret == -1 || + !(zero_filled || + ioc_cache_still_valid(ioc_inode, stbuf))) { gf_log (ioc_inode->table->xl->name, GF_LOG_TRACE, "cache for inode(%p) is invalid. flushing " "all pages", ioc_inode); destroy_size = __ioc_inode_flush (ioc_inode); - } - - if (op_ret >= 0) + } + + if ((op_ret >= 0) && !zero_filled) ioc_inode->cache.mtime = stbuf->st_mtime; - + gettimeofday (&ioc_inode->cache.tv, NULL); - + if (op_ret < 0) { /* error, readv returned -1 */ page = ioc_page_get (ioc_inode, offset); |