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Merge tag 'xfs-4.15-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

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Pull xfs fixes from Darrick Wong:

 - Fix a memory leak in the new in-core extent map

 - Refactor the xfs_dev_t conversions for easier xfsprogs porting

* tag 'xfs-4.15-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: abstract out dev_t conversions
  xfs: fix memory leak in xfs_iext_free_last_leaf
This commit is contained in:
Linus Torvalds
2017-11-22 20:42:42 -10:00
parent 275327851e 274e0a1f47
commit 3f3211e755
3 changed files with 13 additions and 7 deletions
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2
fs/xfs/libxfs/xfs_iext_tree.c
View File

@@ -850,9 +850,9 @@ static void
xfs_iext_free_last_leaf(
struct xfs_ifork *ifp)
{
ifp->if_u1.if_root = NULL;
ifp->if_height--;
kmem_free(ifp->if_u1.if_root);
ifp->if_u1.if_root = NULL;
}
void

8
fs/xfs/libxfs/xfs_inode_fork.c
View File

@@ -42,11 +42,6 @@ STATIC int xfs_iformat_local(xfs_inode_t *, xfs_dinode_t *, int, int);
STATIC int xfs_iformat_extents(xfs_inode_t *, xfs_dinode_t *, int);
STATIC int xfs_iformat_btree(xfs_inode_t *, xfs_dinode_t *, int);
static inline dev_t xfs_to_linux_dev_t(xfs_dev_t dev)
{
return MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
}
/*
* Copy inode type and data and attr format specific information from the
* on-disk inode to the in-core inode and fork structures. For fifos, devices,
@@ -792,7 +787,8 @@ xfs_iflush_fork(
case XFS_DINODE_FMT_DEV:
if (iip->ili_fields & XFS_ILOG_DEV) {
ASSERT(whichfork == XFS_DATA_FORK);
xfs_dinode_put_rdev(dip, sysv_encode_dev(VFS_I(ip)->i_rdev));
xfs_dinode_put_rdev(dip,
linux_to_xfs_dev_t(VFS_I(ip)->i_rdev));
}
break;

10
fs/xfs/xfs_linux.h
View File

@@ -204,6 +204,16 @@ static inline kgid_t xfs_gid_to_kgid(uint32_t gid)
return make_kgid(&init_user_ns, gid);
}
static inline dev_t xfs_to_linux_dev_t(xfs_dev_t dev)
{
return MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
}
static inline xfs_dev_t linux_to_xfs_dev_t(dev_t dev)
{
return sysv_encode_dev(dev);
}
/*
* Various platform dependent calls that don't fit anywhere else
*/