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| author | Lukas Czerner <lczerner@redhat.com> | 2011-05-20 21:55:16 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-05-20 21:55:16 +0400 |
| commit | 51ce65115642b77040f5582b8d2fc8815ac450f9 (patch) | |
| tree | 53e42bb73ccbca4251d46ec5705a40a6b61bc5ab /fs/ext4 | |
| parent | e1290b3e62c496ade19939ce036f35bb69306820 (diff) | |
| download | linux-51ce65115642b77040f5582b8d2fc8815ac450f9.tar.xz | |
ext4: fix the mount option "init_itable=n" to work as expected for n=0
For some reason, when we set the mount option "init_itable=0" it
behaves as we would set init_itable=20 which is not right at all.
Basically when we set it to zero we are saying to lazyinit thread not
to wait between zeroing the inode table (except of cond_resched()) so
this commit fixes that and removes the unnecessary condition. The 'n'
should be also properly used on remount.
When the n is not set at all, it means that the default miltiplier
EXT4_DEF_LI_WAIT_MULT is set instead.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: Eric Sandeen <sandeen@redhat.com>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/super.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index d7756bd2dc12..fd51a4a266b6 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1112,7 +1112,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) if (!test_opt(sb, INIT_INODE_TABLE)) seq_puts(seq, ",noinit_inode_table"); - else if (sbi->s_li_wait_mult) + else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT) seq_printf(seq, ",init_inode_table=%u", (unsigned) sbi->s_li_wait_mult); @@ -2704,11 +2704,8 @@ static int ext4_run_li_request(struct ext4_li_request *elr) ret = ext4_init_inode_table(sb, group, elr->lr_timeout ? 0 : 1); if (elr->lr_timeout == 0) { - timeout = jiffies - timeout; - if (elr->lr_sbi->s_li_wait_mult) - timeout *= elr->lr_sbi->s_li_wait_mult; - else - timeout *= 20; + timeout = (jiffies - timeout) * + elr->lr_sbi->s_li_wait_mult; elr->lr_timeout = timeout; } elr->lr_next_sched = jiffies + elr->lr_timeout; @@ -2945,8 +2942,14 @@ static int ext4_register_li_request(struct super_block *sb, ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count; int ret = 0; - if (sbi->s_li_request != NULL) + if (sbi->s_li_request != NULL) { + /* + * Reset timeout so it can be computed again, because + * s_li_wait_mult might have changed. + */ + sbi->s_li_request->lr_timeout = 0; return 0; + } if (first_not_zeroed == ngroups || (sb->s_flags & MS_RDONLY) || @@ -3144,6 +3147,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) ((def_mount_opts & EXT4_DEFM_NODELALLOC) == 0)) set_opt(sb, DELALLOC); + /* + * set default s_li_wait_mult for lazyinit, for the case there is + * no mount option specified. + */ + sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT; + if (!parse_options((char *) sbi->s_es->s_mount_opts, sb, &journal_devnum, &journal_ioprio, NULL, 0)) { ext4_msg(sb, KERN_WARNING, |