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| author | Ingo Molnar <mingo@elte.hu> | 2009-04-01 21:54:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 00:49:02 +0200 |
| commit | 8302294f43250dc337108c51882a6007f2b1e2e0 (patch) | |
| tree | 85acd4440799c46a372df9cad170fa0c21e59096 /fs | |
| parent | Merge branch 'for-linus' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 (diff) | |
| parent | ring-buffer: do not remove reader page from list on ring buffer free (diff) | |
| download | linux-8302294f43250dc337108c51882a6007f2b1e2e0.tar.xz linux-8302294f43250dc337108c51882a6007f2b1e2e0.zip | |
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts:
include/linux/slub_def.h
lib/Kconfig.debug
mm/slob.c
mm/slub.c
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/debugfs/inode.c | 16 | ||||
| -rw-r--r-- | fs/partitions/check.c | 4 |
2 files changed, 20 insertions, 0 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 81ae9ea3c6e1..0662ba6de85a 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -30,6 +30,7 @@ static struct vfsmount *debugfs_mount; static int debugfs_mount_count; +static bool debugfs_registered; static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t dev) { @@ -496,6 +497,16 @@ exit: } EXPORT_SYMBOL_GPL(debugfs_rename); +/** + * debugfs_initialized - Tells whether debugfs has been registered + */ +bool debugfs_initialized(void) +{ + return debugfs_registered; +} +EXPORT_SYMBOL_GPL(debugfs_initialized); + + static struct kobject *debug_kobj; static int __init debugfs_init(void) @@ -509,11 +520,16 @@ static int __init debugfs_init(void) retval = register_filesystem(&debug_fs_type); if (retval) kobject_put(debug_kobj); + else + debugfs_registered = true; + return retval; } static void __exit debugfs_exit(void) { + debugfs_registered = false; + simple_release_fs(&debugfs_mount, &debugfs_mount_count); unregister_filesystem(&debug_fs_type); kobject_put(debug_kobj); diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 38e337d51ced..99e33ef40be4 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -19,6 +19,7 @@ #include <linux/kmod.h> #include <linux/ctype.h> #include <linux/genhd.h> +#include <linux/blktrace_api.h> #include "check.h" @@ -294,6 +295,9 @@ static struct attribute_group part_attr_group = { static struct attribute_group *part_attr_groups[] = { &part_attr_group, +#ifdef CONFIG_BLK_DEV_IO_TRACE + &blk_trace_attr_group, +#endif NULL }; |