Eric Lee / linux-smarc-t335x-v3.2

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Commit 8a59f5d2526593c6bc1a0754c3a16ccc9ed41ce3

Authored by Coly Li
Committed by Linus Torvalds
1 parent bdc8e5f85f
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

fs/romfs: return f_fsid for statfs(2) 

Make romfs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 5 additions and 0 deletions Side-by-side Diff

... ... @@ -408,12 +408,17 @@
408 408 */
409 409 static int romfs_statfs(struct dentry *dentry, struct kstatfs *buf)
410 410 {
  411 + struct super_block *sb = dentry->d_sb;
  412 + u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
  413 +
411 414 buf->f_type = ROMFS_MAGIC;
412 415 buf->f_namelen = ROMFS_MAXFN;
413 416 buf->f_bsize = ROMBSIZE;
414 417 buf->f_bfree = buf->f_bavail = buf->f_ffree;
415 418 buf->f_blocks =
416 419 (romfs_maxsize(dentry->d_sb) + ROMBSIZE - 1) >> ROMBSBITS;
  420 + buf->f_fsid.val[0] = (u32)id;
  421 + buf->f_fsid.val[1] = (u32)(id >> 32);
417 422 return 0;
418 423 }
419 424