Mercurial > hg > nginx
diff src/core/ngx_open_file_cache.c @ 3178:975f0558aab3
read_ahead
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 30 Sep 2009 13:21:52 +0000 |
parents | b1b1775698d5 |
children | ac281bc4c187 |
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--- a/src/core/ngx_open_file_cache.c +++ b/src/core/ngx_open_file_cache.c @@ -17,6 +17,9 @@ */ +#define NGX_MIN_READ_AHEAD (128 * 1024) + + static void ngx_open_file_cache_cleanup(void *data); static ngx_int_t ngx_open_and_stat_file(u_char *name, ngx_open_file_info_t *of, ngx_log_t *log); @@ -524,6 +527,13 @@ ngx_open_and_stat_file(u_char *name, ngx } else { of->fd = fd; + if (of->read_ahead && ngx_file_size(&fi) > NGX_MIN_READ_AHEAD) { + if (ngx_read_ahead(fd, of->read_ahead) == NGX_ERROR) { + ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, + ngx_read_ahead_n " \"%s\" failed", name); + } + } + if (of->directio <= ngx_file_size(&fi)) { if (ngx_directio_on(fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,