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author | Ingo Molnar <mingo@elte.hu> | 2010-12-23 09:48:41 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-12-23 09:48:41 +0100 |
commit | 26e20a108caca6231c6a5ec659f815a866904751 (patch) | |
tree | 36932c208a9e8994bfd7ed4eaf48b9c33f71fbe3 /fs/ext4/ioctl.c | |
parent | 691513f70d3957939a318da970987b876c720861 (diff) | |
parent | 90a8a73c06cc32b609a880d48449d7083327e11a (diff) | |
download | linux-stable-26e20a108caca6231c6a5ec659f815a866904751.tar.gz linux-stable-26e20a108caca6231c6a5ec659f815a866904751.tar.bz2 linux-stable-26e20a108caca6231c6a5ec659f815a866904751.zip |
Merge commit 'v2.6.37-rc7' into x86/security
Diffstat (limited to 'fs/ext4/ioctl.c')
-rw-r--r-- | fs/ext4/ioctl.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index bf5ae883b1bd..eb3bc2fe647e 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -331,6 +331,30 @@ mext_out: return err; } + case FITRIM: + { + struct super_block *sb = inode->i_sb; + struct fstrim_range range; + int ret = 0; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (copy_from_user(&range, (struct fstrim_range *)arg, + sizeof(range))) + return -EFAULT; + + ret = ext4_trim_fs(sb, &range); + if (ret < 0) + return ret; + + if (copy_to_user((struct fstrim_range *)arg, &range, + sizeof(range))) + return -EFAULT; + + return 0; + } + default: return -ENOTTY; } |