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OpenCloudOS-Kernel
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btrfs: fallocate: use GFP_KERNEL 

Fallocate is initiated from userspace and is not on the critical
writeback path, we don't need to use GFP_NOFS for allocations.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-02-11 14:25:38 +01:00
parent 74e4d82757
commit 32fc932e30
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/file.c
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@ -2611,7 +2611,7 @@ static int add_falloc_range(struct list_head *head, u64 start, u64 len)
return 0;
}
insert:
range = kmalloc(sizeof(*range), GFP_NOFS);
range = kmalloc(sizeof(*range), GFP_KERNEL);
if (!range)
return -ENOMEM;
range->start = start;
@ -2712,7 +2712,7 @@ static long btrfs_fallocate(struct file *file, int mode,
btrfs_put_ordered_extent(ordered);
unlock_extent_cached(&BTRFS_I(inode)->io_tree,
alloc_start, locked_end,
&cached_state, GFP_NOFS);
&cached_state, GFP_KERNEL);
/*
* we can't wait on the range with the transaction
* running or with the extent lock held
@ -2806,7 +2806,7 @@ static long btrfs_fallocate(struct file *file, int mode,
}
out_unlock:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
&cached_state, GFP_NOFS);
&cached_state, GFP_KERNEL);
out:
/*
* As we waited the extent range, the data_rsv_map must be empty