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| author | Takashi Iwai | 2010-12-13 09:29:52 +0100 |
|---|---|---|
| committer | Takashi Iwai | 2010-12-13 09:29:52 +0100 |
| commit | 354d14b3f53cc749c5d26d4ba7280d1e931d6bc4 (patch) | |
| tree | 59b597e44902d8db8bde7deac1e7e707327c6fe6 /fs/ext4/ioctl.c | |
| parent | ALSA: aoa: Remove wrong i2c_set_clientdata in onyx_i2c_remove() (diff) | |
| parent | sound: don't use flush_scheduled_work() (diff) | |
| download | kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.tar.gz kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.tar.xz kernel-qcow2-linux-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.zip | |
Merge branch 'topic/workq-update' into topic/misc
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; } |