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| author |   Ritesh Harjani <riteshh@linux.ibm.com> | 2020-05-10 11:54:42 +0530 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2020-06-03 23:16:51 -0400 |
| commit | e68cf40c0d098a63bc571bc5981dee6c2013c494 (patch) | |
| tree | 264daefaf24def7e5f645ca55e3ead1e3e637745 /fs/ext4 | |
| parent | ext4: mballoc: print bb_free info even when it is 0 (diff) | |
| download | wireguard-linux-e68cf40c0d098a63bc571bc5981dee6c2013c494.tar.xz wireguard-linux-e68cf40c0d098a63bc571bc5981dee6c2013c494.zip | |
ext4: mballoc: refactor ext4_mb_show_ac()
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>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/mballoc.c | 65 |
1 files changed, 40 insertions, 25 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bcfaaad62167..d1464d9110ef 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4120,38 +4120,16 @@ repeat: } #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 |