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| author | Igor Sysoev <igor@sysoev.ru> | 2009-09-30 13:21:52 +0000 |
|---|---|---|
| committer | Igor Sysoev <igor@sysoev.ru> | 2009-09-30 13:21:52 +0000 |
| commit | 3266171fd4691d173f698f1c0c246322a94588e2 (patch) | |
| tree | c6ff4969a31639d546af48a644c5c11b5716b82d /src/core/ngx_open_file_cache.c | |
| parent | 687b0e99ea4ff631e447fff2d177d0c9297529fc (diff) | |
| download | nginx-3266171fd4691d173f698f1c0c246322a94588e2.tar.gz nginx-3266171fd4691d173f698f1c0c246322a94588e2.zip | |
read_ahead
Diffstat (limited to 'src/core/ngx_open_file_cache.c')
| -rw-r--r-- | src/core/ngx_open_file_cache.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c index 5f6e0b263..6aa66fd4e 100644 --- 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_open_file_info_t *of, ngx_log_t *log) } 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, |