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Commit 7c83cc91 authored by Artem Bityutskiy's avatar Artem Bityutskiy
Browse files

UBIFS: save 128KiB or more RAM 



When debugging is enabled, we allocate a buffer of PEB size for
various debugging purposes. However, now all users of this buffer
are gone and we can safely remove it and save 128KiB or more RAM.

Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent f5cf319c

fs/ubifs/debug.c

+0 −9
Original line number Original line Diff line number Diff line
@@ -2701,16 +2701,8 @@ int ubifs_debugging_init(struct ubifs_info *c) 
	if (!c->dbg)

	if (!c->dbg)

		return -ENOMEM;

		return -ENOMEM;





	c->dbg->buf = vmalloc(c->leb_size);

	if (!c->dbg->buf)

		goto out;



	failure_mode_init(c);

	failure_mode_init(c);

	return 0;

	return 0;



out:

	kfree(c->dbg);

	return -ENOMEM;

}

}





/**

/**
@@ -2720,7 +2712,6 @@ int ubifs_debugging_init(struct ubifs_info *c) 
void ubifs_debugging_exit(struct ubifs_info *c)

void ubifs_debugging_exit(struct ubifs_info *c)

{

{

	failure_mode_exit(c);

	failure_mode_exit(c);

	vfree(c->dbg->buf);

	kfree(c->dbg);

	kfree(c->dbg);

}

}

fs/ubifs/debug.h

+0 −2
Original line number Original line Diff line number Diff line
@@ -27,7 +27,6 @@ 




/**

/**

 * ubifs_debug_info - per-FS debugging information.

 * ubifs_debug_info - per-FS debugging information.

 * @buf: a buffer of LEB size, used for various purposes

 * @old_zroot: old index root - used by 'dbg_check_old_index()'

 * @old_zroot: old index root - used by 'dbg_check_old_index()'

 * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'

 * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'

 * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'

 * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
@@ -54,7 +53,6 @@ 
 * dfs_dump_tnc: "dump TNC" debugfs knob

 * dfs_dump_tnc: "dump TNC" debugfs knob

 */

 */

struct ubifs_debug_info {

struct ubifs_debug_info {

	void *buf;

	struct ubifs_zbranch old_zroot;

	struct ubifs_zbranch old_zroot;

	int old_zroot_level;

	int old_zroot_level;

	unsigned long long old_zroot_sqnum;

	unsigned long long old_zroot_sqnum;