diff options
Diffstat (limited to '0003-Linux-4.2-total_link_count-is-no-longer-accessible.patch')
| -rw-r--r-- | 0003-Linux-4.2-total_link_count-is-no-longer-accessible.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/0003-Linux-4.2-total_link_count-is-no-longer-accessible.patch b/0003-Linux-4.2-total_link_count-is-no-longer-accessible.patch deleted file mode 100644 index 62c70e1961df..000000000000 --- a/0003-Linux-4.2-total_link_count-is-no-longer-accessible.patch +++ /dev/null @@ -1,69 +0,0 @@ -From e123ace58e2c574cd2eb50ec28f8fe616f9ca69d Mon Sep 17 00:00:00 2001 -From: Marc Dionne <marc.dionne@your-file-system.com> -Date: Mon, 6 Jul 2015 11:00:13 -0300 -Subject: [PATCH 3/6] Linux 4.2: total_link_count is no longer accessible - -The value is now stored in the nameidata structure which -is private to fs/namei.c, so we can't modify it here. - -The effect is that using a path that contains 40+ directories -may fail with ELOOP, depending on which directories in the -path were previously used. After a directory is accessed once -its D_AUTOMOUNT flag is reset and it will no longer count -against the symlink limit in later path lookups. - -Reviewed-on: http://gerrit.openafs.org/11926 -Tested-by: BuildBot <buildbot@rampaginggeek.com> -Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com> -(cherry picked from commit 89aeb71a3e23c944f58cfa9572e9eae4d2130d37) - -Change-Id: Ib6282f3029c4112c510217eacf270a56d679fccd -Reviewed-on: http://gerrit.openafs.org/11949 -Tested-by: BuildBot <buildbot@rampaginggeek.com> -Reviewed-by: Benjamin Kaduk <kaduk@mit.edu> -Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de> -(cherry picked from commit 2e5ba7e16c6797a39323173ce17a1db698526c2c) ---- - acinclude.m4 | 1 + - src/afs/LINUX/osi_vnodeops.c | 12 ++++++++++-- - 2 files changed, 11 insertions(+), 2 deletions(-) - -diff --git a/acinclude.m4 b/acinclude.m4 -index a99592a..c924d90 100644 ---- a/acinclude.m4 -+++ b/acinclude.m4 -@@ -902,6 +902,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*) - AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h]) - AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h]) - AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h]) -+ AC_CHECK_LINUX_STRUCT([task_struct], [total_link_count], [sched.h]) - LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM - - dnl Check for typed structure elements -diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c -index a8f0074..a878eb4 100644 ---- a/src/afs/LINUX/osi_vnodeops.c -+++ b/src/afs/LINUX/osi_vnodeops.c -@@ -1385,9 +1385,17 @@ afs_dentry_automount(afs_linux_path_t *path) - { - struct dentry *target; - -- /* avoid symlink resolution limits when resolving; we cannot contribute to -- * an infinite symlink loop */ -+ /* -+ * Avoid symlink resolution limits when resolving; we cannot contribute to -+ * an infinite symlink loop. -+ * -+ * On newer kernels the field has moved to the private nameidata structure -+ * so we can't adjust it here. This may cause ELOOP when using a path with -+ * 40 or more directories that are not already in the dentry cache. -+ */ -+#if defined(STRUCT_TASK_STRUCT_HAS_TOTAL_LINK_COUNT) - current->total_link_count--; -+#endif - - target = canonical_dentry(path->dentry->d_inode); - --- -2.5.1 - |