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ext4: mballoc: refactor ext4_mb_show_ac()

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This factors out ext4_mb_show_pa() function to show all the group's
preallocation info. This could be useful info to be added in later
patches.

There should be no functionality change in this patch.

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/8f07d890b0038dcc935e9c10e6043ec9f3792721.1589086800.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ritesh Harjani 2020-05-10 11:54:42 +05:30 committed by Theodore Ts'o
parent 212da3ec6f
commit e68cf40c0d
1 changed files with 40 additions and 25 deletions
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65
fs/ext4/mballoc.c
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@ -4120,38 +4120,16 @@ void ext4_discard_preallocations(struct inode *inode)
}
#ifdef CONFIG_EXT4_DEBUG
static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
static inline void ext4_mb_show_pa(struct super_block *sb)
{
struct super_block *sb = ac->ac_sb;
ext4_group_t ngroups, i;
ext4_group_t i, ngroups;
if (!ext4_mballoc_debug ||
(EXT4_SB(sb)->s_mount_flags & EXT4_MF_FS_ABORTED))
return;
ext4_msg(ac->ac_sb, KERN_ERR, "Can't allocate:"
" Allocation context details:");
ext4_msg(ac->ac_sb, KERN_ERR, "status %d flags %d",
ac->ac_status, ac->ac_flags);
ext4_msg(ac->ac_sb, KERN_ERR, "orig %lu/%lu/%lu@%lu, "
"goal %lu/%lu/%lu@%lu, "
"best %lu/%lu/%lu@%lu cr %d",
(unsigned long)ac->ac_o_ex.fe_group,
(unsigned long)ac->ac_o_ex.fe_start,
(unsigned long)ac->ac_o_ex.fe_len,
(unsigned long)ac->ac_o_ex.fe_logical,
(unsigned long)ac->ac_g_ex.fe_group,
(unsigned long)ac->ac_g_ex.fe_start,
(unsigned long)ac->ac_g_ex.fe_len,
(unsigned long)ac->ac_g_ex.fe_logical,
(unsigned long)ac->ac_b_ex.fe_group,
(unsigned long)ac->ac_b_ex.fe_start,
(unsigned long)ac->ac_b_ex.fe_len,
(unsigned long)ac->ac_b_ex.fe_logical,
(int)ac->ac_criteria);
ext4_msg(ac->ac_sb, KERN_ERR, "%d found", ac->ac_found);
ext4_msg(ac->ac_sb, KERN_ERR, "groups: ");
ngroups = ext4_get_groups_count(sb);
ext4_msg(sb, KERN_ERR, "groups: ");
for (i = 0; i < ngroups; i++) {
struct ext4_group_info *grp = ext4_get_group_info(sb, i);
struct ext4_prealloc_space *pa;
@ -4175,9 +4153,46 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
}
printk(KERN_ERR "\n");
}
static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
{
struct super_block *sb = ac->ac_sb;
if (!ext4_mballoc_debug ||
(EXT4_SB(sb)->s_mount_flags & EXT4_MF_FS_ABORTED))
return;
ext4_msg(sb, KERN_ERR, "Can't allocate:"
" Allocation context details:");
ext4_msg(sb, KERN_ERR, "status %d flags %d",
ac->ac_status, ac->ac_flags);
ext4_msg(sb, KERN_ERR, "orig %lu/%lu/%lu@%lu, "
"goal %lu/%lu/%lu@%lu, "
"best %lu/%lu/%lu@%lu cr %d",
(unsigned long)ac->ac_o_ex.fe_group,
(unsigned long)ac->ac_o_ex.fe_start,
(unsigned long)ac->ac_o_ex.fe_len,
(unsigned long)ac->ac_o_ex.fe_logical,
(unsigned long)ac->ac_g_ex.fe_group,
(unsigned long)ac->ac_g_ex.fe_start,
(unsigned long)ac->ac_g_ex.fe_len,
(unsigned long)ac->ac_g_ex.fe_logical,
(unsigned long)ac->ac_b_ex.fe_group,
(unsigned long)ac->ac_b_ex.fe_start,
(unsigned long)ac->ac_b_ex.fe_len,
(unsigned long)ac->ac_b_ex.fe_logical,
(int)ac->ac_criteria);
ext4_msg(sb, KERN_ERR, "%d found", ac->ac_found);
ext4_mb_show_pa(sb);
}
#else
static inline void ext4_mb_show_pa(struct super_block *sb)
{
return;
}
static inline void ext4_mb_show_ac(struct ext4_allocation_context *ac)
{
ext4_mb_show_pa(ac->ac_sb);
return;
}
#endif