Date: Wed, 27 Mar 2019 01:49:36 +0000 (UTC) From: Alan Somers <asomers@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r345564 - projects/fuse2/sys/fs/fuse Message-ID: <201903270149.x2R1naYS015428@repo.freebsd.org>
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Author: asomers Date: Wed Mar 27 01:49:35 2019 New Revision: 345564 URL: https://svnweb.freebsd.org/changeset/base/345564 Log: fusefs: set fuse_init_in->max_readahead correctly The old value was correct only by coincidence. Sponsored by: The FreeBSD Foundation Modified: projects/fuse2/sys/fs/fuse/fuse_internal.c Modified: projects/fuse2/sys/fs/fuse/fuse_internal.c ============================================================================== --- projects/fuse2/sys/fs/fuse/fuse_internal.c Wed Mar 27 00:24:57 2019 (r345563) +++ projects/fuse2/sys/fs/fuse/fuse_internal.c Wed Mar 27 01:49:35 2019 (r345564) @@ -689,8 +689,12 @@ fuse_internal_send_init(struct fuse_data *data, struct fiii = fdi.indata; fiii->major = FUSE_KERNEL_VERSION; fiii->minor = FUSE_KERNEL_MINOR_VERSION; - //XXX should probably be maxbcachebuf * 16 - fiii->max_readahead = 4096 * 16; + /* + * fusefs currently doesn't do any readahead other than fetching whole + * buffer cache block sized regions at once. So the max readahead is + * the size of a buffer cache block. + */ + fiii->max_readahead = maxbcachebuf; fiii->flags = 0; fuse_insert_callback(fdi.tick, fuse_internal_init_callback);
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