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Initialize the /dev/splatctl device buffer

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On open() and initialize the buffer with the SPL version string.  The
user space splat utility expects to find the SPL version string when
it opens and reads from /dev/splatctl.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Ned Bass 2010-07-01 10:12:57 -07:00 committed by Brian Behlendorf
parent f0d8bb26b4
commit 1a73940d39
2 changed files with 5 additions and 1 deletions
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1
module/spl/spl-generic.c
View File

@ -47,6 +47,7 @@
#define DEBUG_SUBSYSTEM S_GENERIC
char spl_version[16] = "SPL v" SPL_META_VERSION;
EXPORT_SYMBOL(spl_version);
long spl_hostid = 0;
EXPORT_SYMBOL(spl_hostid);

5
module/splat/splat-ctl.c
View File

@ -70,11 +70,14 @@ splat_open(struct inode *inode, struct file *file)
kfree(info);
return -ENOMEM;
}
memset(info->info_buffer, 0, info->info_size);
info->info_head = info->info_buffer;
file->private_data = (void *)info;
return 0;
splat_print(file, "%s\n", spl_version);
return 0;
}
static int