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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 15:26:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 15:26:46 -0700 |
| commit | d79df0b1eda0099a22cbcece01ce5e7d222450de (patch) | |
| tree | eb9c938fa5faf285fb091d7446508a32229ceea4 /mm/swapfile.c | |
| parent | 6e80e8ed5eb92d0112674aabe82951266a6a1051 (diff) | |
| parent | c8d1a126924fcbc1d61ceb830226e0c7afdcc841 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (577 commits)
Staging: ramzswap: Handler for swap slot free callback
swap: Add swap slot free callback to block_device_operations
swap: Add flag to identify block swap devices
Staging: vt6655: use ETH_FRAME_LEN macro instead of custom one
Staging: vt6655: use ETH_DATA_LEN macro instead of custom one
Staging: vt6655: use ETH_FCS_LEN macro instead of custom one
Staging: vt6656: use ETH_HLEN macro instead of custom one
Staging: comedi: quatech_daqp_cs.c Replace eos semaphore with a completion.
Staging: dt3155v4l: remove private memory allocator
Staging: crystalhd: Remove typedefs from driver
Staging: winbond: Fix for pointer name format issue in mds.c
Staging: vt6656: removed custom UCHAR/USHORT/UINT/ULONG/ULONGLONG typedefs
Staging: vt6656: removed custom CHAR/SHORT/INT/LONG typedefs
Staging: comedi: Altered the way printk is used in 8255.c
staging: iio: adis16350 and similar IMU driver
Staging: iio: max1363 Fix two bugs in single_channel_from_ring
Staging: iio: adis16220 extract bin_attribute structures from state
Staging: iio: adis16220 vibration sensor driver
Staging: comedi: Kconfig dependancy fixes
Staging: comedi: fix up build error from last Kconfig changes
...
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index eb086e0f4dcc..03aa2d55f1a2 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -577,6 +577,7 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, /* free if no reference */ if (!usage) { + struct gendisk *disk = p->bdev->bd_disk; if (offset < p->lowest_bit) p->lowest_bit = offset; if (offset > p->highest_bit) @@ -586,6 +587,9 @@ static unsigned char swap_entry_free(struct swap_info_struct *p, swap_list.next = p->type; nr_swap_pages++; p->inuse_pages--; + if ((p->flags & SWP_BLKDEV) && + disk->fops->swap_slot_free_notify) + disk->fops->swap_slot_free_notify(p->bdev, offset); } return usage; @@ -1887,6 +1891,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) if (error < 0) goto bad_swap; p->bdev = bdev; + p->flags |= SWP_BLKDEV; } else if (S_ISREG(inode->i_mode)) { p->bdev = inode->i_sb->s_bdev; mutex_lock(&inode->i_mutex); |