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Commit 0ef90db9 authored by Theodore Ts'o's avatar Theodore Ts'o
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ext4: Display the mballoc flags in mb_history in hex instead of decimal 



Displaying the flags in base 16 makes it easier to see which flags
have been set.

Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 6ba495e9

fs/ext4/ext4.h

+11 −11
Original line number Diff line number Diff line
@@ -67,27 +67,27 @@ typedef unsigned int ext4_group_t; 




/* prefer goal again. length */

#define EXT4_MB_HINT_MERGE		1

#define EXT4_MB_HINT_MERGE		0x0001

/* blocks already reserved */

#define EXT4_MB_HINT_RESERVED		2

#define EXT4_MB_HINT_RESERVED		0x0002

/* metadata is being allocated */

#define EXT4_MB_HINT_METADATA		4

#define EXT4_MB_HINT_METADATA		0x0004

/* first blocks in the file */

#define EXT4_MB_HINT_FIRST		8

#define EXT4_MB_HINT_FIRST		0x0008

/* search for the best chunk */

#define EXT4_MB_HINT_BEST		16

#define EXT4_MB_HINT_BEST		0x0010

/* data is being allocated */

#define EXT4_MB_HINT_DATA		32

#define EXT4_MB_HINT_DATA		0x0020

/* don't preallocate (for tails) */

#define EXT4_MB_HINT_NOPREALLOC		64

#define EXT4_MB_HINT_NOPREALLOC		0x0040

/* allocate for locality group */

#define EXT4_MB_HINT_GROUP_ALLOC	128

#define EXT4_MB_HINT_GROUP_ALLOC	0x0080

/* allocate goal blocks or none */

#define EXT4_MB_HINT_GOAL_ONLY		256

#define EXT4_MB_HINT_GOAL_ONLY		0x0100

/* goal is meaningful */

#define EXT4_MB_HINT_TRY_GOAL		512

#define EXT4_MB_HINT_TRY_GOAL		0x0200

/* blocks already pre-reserved by delayed allocation */

#define EXT4_MB_DELALLOC_RESERVED      1024

#define EXT4_MB_DELALLOC_RESERVED	0x0400





struct ext4_allocation_request {

fs/ext4/mballoc.c

+2 −2
Original line number Diff line number Diff line
@@ -2157,7 +2157,7 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v) 


	if (v == SEQ_START_TOKEN) {

		seq_printf(seq, "%-5s %-8s %-23s %-23s %-23s %-5s "

				"%-5s %-2s %-5s %-5s %-5s %-6s\n",

				"%-5s %-2s %-6s %-5s %-5s %-6s\n",

			  "pid", "inode", "original", "goal", "result", "found",

			   "grps", "cr", "flags", "merge", "tail", "broken");

		return 0;
@@ -2165,7 +2165,7 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v) 


	if (hs->op == EXT4_MB_HISTORY_ALLOC) {

		fmt = "%-5u %-8u %-23s %-23s %-23s %-5u %-5u %-2u "

			"%-5u %-5s %-5u %-6u\n";

			"0x%04x %-5s %-5u %-6u\n";

		sprintf(buf2, "%u/%d/%u@%u", hs->result.fe_group,

			hs->result.fe_start, hs->result.fe_len,

			hs->result.fe_logical);