git: 72e1884f593f - stable/12 - Bump pseudofs size limit from 128kB to 1MB.

[Konstantin Belousov]

The branch stable/12 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=72e1884f593f9b86c9ea4e74d02449f6678770dd

commit 72e1884f593f9b86c9ea4e74d02449f6678770dd
Author:     Edward Tomasz Napierala <trasz at FreeBSD.org>
AuthorDate: 2020-10-16 09:58:10 +0000
Commit:     Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-05-01 00:38:30 +0000

    Bump pseudofs size limit from 128kB to 1MB.
    
    PR:             237883
    
    (cherry picked from commit ce764cbd1c725c54966315949fe93eb3994c1b5e)
---
 sys/fs/pseudofs/pseudofs_vnops.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/fs/pseudofs/pseudofs_vnops.c b/sys/fs/pseudofs/pseudofs_vnops.c
index da35f06208fa..6c025547b71b 100644
--- a/sys/fs/pseudofs/pseudofs_vnops.c
+++ b/sys/fs/pseudofs/pseudofs_vnops.c
@@ -68,6 +68,8 @@ __FBSDID("$FreeBSD$");
 	KASSERT((pn)->pn_type == pfstype_symlink,			\
 	    ("%s(): VLNK vnode refers to non-link pfs_node", __func__))
 
+#define	PFS_MAXBUFSIZ		1024 * 1024
+
 /*
  * Returns the fileno, adjusted for target pid
  */
@@ -659,8 +661,8 @@ pfs_read(struct vop_read_args *va)
 		goto ret;
 	}
 	buflen = uio->uio_offset + uio->uio_resid;
-	if (buflen > MAXPHYS)
-		buflen = MAXPHYS;
+	if (buflen > PFS_MAXBUFSIZ)
+		buflen = PFS_MAXBUFSIZ;
 
 	sb = sbuf_new(sb, NULL, buflen + 1, 0);
 	if (sb == NULL) {