Subject: + aoe-provide-file-operations-for-debugfs-files.patch added to -mm tree To: ecashin@xxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Fri, 26 Jul 2013 13:36:06 -0700 The patch titled Subject: aoe: provide file operations for debugfs files has been added to the -mm tree. Its filename is aoe-provide-file-operations-for-debugfs-files.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/aoe-provide-file-operations-for-debugfs-files.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/aoe-provide-file-operations-for-debugfs-files.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Ed Cashin <ecashin@xxxxxxxxxx> Subject: aoe: provide file operations for debugfs files The place holder in the file contents is filled out in the following patch. Signed-off-by: Ed Cashin <ecashin@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/aoe/aoeblk.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff -puN drivers/block/aoe/aoeblk.c~aoe-provide-file-operations-for-debugfs-files drivers/block/aoe/aoeblk.c --- a/drivers/block/aoe/aoeblk.c~aoe-provide-file-operations-for-debugfs-files +++ a/drivers/block/aoe/aoeblk.c @@ -110,6 +110,24 @@ static ssize_t aoedisk_show_payload(stru return snprintf(page, PAGE_SIZE, "%lu\n", d->maxbcnt); } +static int aoedisk_debugfs_show(struct seq_file *s, void *ignored) +{ + struct aoedev *d; + unsigned long flags; + + d = s->private; + spin_lock_irqsave(&d->lock, flags); + seq_printf(s, "%s\n", d->gd->disk_name); /* place holder */ + spin_unlock_irqrestore(&d->lock, flags); + + return 0; +} + +static int aoe_debugfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, aoedisk_debugfs_show, inode->i_private); +} + static DEVICE_ATTR(state, S_IRUGO, aoedisk_show_state, NULL); static DEVICE_ATTR(mac, S_IRUGO, aoedisk_show_mac, NULL); static DEVICE_ATTR(netif, S_IRUGO, aoedisk_show_netif, NULL); @@ -132,7 +150,12 @@ static const struct attribute_group attr .attrs = aoe_attrs, }; -static const struct file_operations aoe_debugfs_fops; +static const struct file_operations aoe_debugfs_fops = { + .open = aoe_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; static void aoedisk_add_debugfs(struct aoedev *d) _ Patches currently in -mm which might be from ecashin@xxxxxxxxxx are aoe-create-and-destroy-debugfs-directory-for-aoe.patch aoe-add-aoe-target-files-to-debugfs.patch aoe-provide-file-operations-for-debugfs-files.patch aoe-fill-in-per-aoe-target-information-for-debugfs-file.patch aoe-update-copyright-date.patch aoe-update-internal-version-number-to-85.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html