diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-09-21 09:19:55 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-23 10:43:19 -0600 |
| commit | bb3247a399801ebba20bef101c89e563f5fe7f02 (patch) | |
| tree | fc29d5715b43fe2e7dd1b72c36c5a4bf802d630e /kernel/power | |
| parent | mm: cleanup claim_swapfile (diff) | |
| download | linux-dev-bb3247a399801ebba20bef101c89e563f5fe7f02.tar.xz linux-dev-bb3247a399801ebba20bef101c89e563f5fe7f02.zip | |
PM: rewrite is_hibernate_resume_dev to not require an inode
Just check the dev_t to help simplifying the code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/user.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index d5eedc2baa2a..b5815685b944 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -35,12 +35,12 @@ static struct snapshot_data { bool ready; bool platform_support; bool free_bitmaps; - struct inode *bd_inode; + dev_t dev; } snapshot_state; -int is_hibernate_resume_dev(const struct inode *bd_inode) +int is_hibernate_resume_dev(dev_t dev) { - return hibernation_available() && snapshot_state.bd_inode == bd_inode; + return hibernation_available() && snapshot_state.dev == dev; } static int snapshot_open(struct inode *inode, struct file *filp) @@ -101,7 +101,7 @@ static int snapshot_open(struct inode *inode, struct file *filp) data->frozen = false; data->ready = false; data->platform_support = false; - data->bd_inode = NULL; + data->dev = 0; Unlock: unlock_system_sleep(); @@ -117,7 +117,7 @@ static int snapshot_release(struct inode *inode, struct file *filp) swsusp_free(); data = filp->private_data; - data->bd_inode = NULL; + data->dev = 0; free_all_swap_pages(data->swap); if (data->frozen) { pm_restore_gfp_mask(); @@ -245,7 +245,7 @@ static int snapshot_set_swap_area(struct snapshot_data *data, if (data->swap < 0) return -ENODEV; - data->bd_inode = bdev->bd_inode; + data->dev = bdev->bd_dev; bdput(bdev); return 0; } |