diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:03 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-07-21 21:43:06 +0200 |
commit | 9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch) | |
tree | bbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /fs/gfs2/quota.c | |
parent | cc5edb0eb9ce892b530e34a5d110382483587942 (diff) | |
parent | cd5b8f8755a89a57fc8c408d284b8b613f090345 (diff) |
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/gfs2/quota.c')
-rw-r--r-- | fs/gfs2/quota.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 49667d68769e..8f02d3db8f42 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -77,7 +77,7 @@ static LIST_HEAD(qd_lru_list); static atomic_t qd_lru_count = ATOMIC_INIT(0); static DEFINE_SPINLOCK(qd_lru_lock); -int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask) +int gfs2_shrink_qd_memory(struct shrinker *shrink, int nr, gfp_t gfp_mask) { struct gfs2_quota_data *qd; struct gfs2_sbd *sdp; @@ -694,10 +694,8 @@ get_a_page: if (!buffer_mapped(bh)) goto unlock_out; /* If it's a newly allocated disk block for quota, zero it */ - if (buffer_new(bh)) { - memset(bh->b_data, 0, bh->b_size); - set_buffer_uptodate(bh); - } + if (buffer_new(bh)) + zero_user(page, pos - blocksize, bh->b_size); } if (PageUptodate(page)) @@ -723,7 +721,7 @@ get_a_page: /* If quota straddles page boundary, we need to update the rest of the * quota at the beginning of the next page */ - if (offset != 0) { /* first page, offset is closer to PAGE_CACHE_SIZE */ + if ((offset + sizeof(struct gfs2_quota)) > PAGE_CACHE_SIZE) { ptr = ptr + nbytes; nbytes = sizeof(struct gfs2_quota) - nbytes; offset = 0; |