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| author | Hugh Dickins <hugh@veritas.com> | 2005-09-03 15:54:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 00:05:42 -0700 |
| commit | dae06ac43d56d23e50a2300d511b32a9e38cd657 (patch) | |
| tree | 62bfa95e769ec5c731f02435b49025a15c45faf4 | |
| parent | 5d337b9194b1ce3b6fd5f3cb2799455ed2f9a3d1 (diff) | |
| download | linux-3.10-dae06ac43d56d23e50a2300d511b32a9e38cd657.tar.gz linux-3.10-dae06ac43d56d23e50a2300d511b32a9e38cd657.tar.bz2 linux-3.10-dae06ac43d56d23e50a2300d511b32a9e38cd657.zip | |
[PATCH] swap: update swsusp use of swap_info
Aha, swsusp dips into swap_info[], better update it to swap_lock. It's
bitflipping flags with 0xFF, so get_swap_page will allocate from only the one
chosen device: let's change that to flip SWP_WRITEOK.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | kernel/power/swsusp.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index f2bc71b9fe8..975b1648a80 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -179,9 +179,9 @@ static int swsusp_swap_check(void) /* This is called before saving image */ len=strlen(resume_file); root_swap = 0xFFFF; - swap_list_lock(); + spin_lock(&swap_lock); for (i=0; i<MAX_SWAPFILES; i++) { - if (swap_info[i].flags == 0) { + if (!(swap_info[i].flags & SWP_WRITEOK)) { swapfile_used[i]=SWAPFILE_UNUSED; } else { if (!len) { @@ -202,7 +202,7 @@ static int swsusp_swap_check(void) /* This is called before saving image */ } } } - swap_list_unlock(); + spin_unlock(&swap_lock); return (root_swap != 0xffff) ? 0 : -ENODEV; } @@ -216,12 +216,12 @@ static void lock_swapdevices(void) { int i; - swap_list_lock(); + spin_lock(&swap_lock); for (i = 0; i< MAX_SWAPFILES; i++) if (swapfile_used[i] == SWAPFILE_IGNORED) { - swap_info[i].flags ^= 0xFF; + swap_info[i].flags ^= SWP_WRITEOK; } - swap_list_unlock(); + spin_unlock(&swap_lock); } /** |