diff options
| author | Dean Roehrich <roehrich@sgi.com> | 2005-06-21 14:07:45 +1000 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2005-06-21 14:07:45 +1000 |
| commit | 6fac0cb46bc4c50d6cbc5998ad206435f39fb00f (patch) | |
| tree | 1ef1029927e2e59440c0bcecb6afea567fed38a6 /fs | |
| parent | b74e2159c9849fb97659c6dc47ad706f702b22b9 (diff) | |
[XFS] coordinate mmap calls with xfs_dm_punch_hole
SGI-PV: 933551
SGI-Modid: xfs-linux:xfs-kern:190622a
Signed-off-by: Dean Roehrich <roehrich@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_file.c | 27 | ||||
| -rw-r--r-- | fs/xfs/xfs_dmapi.h | 4 |
2 files changed, 28 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index 24fa3b101b9..f1ce4323f56 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -57,7 +57,9 @@ #include <linux/smp_lock.h> static struct vm_operations_struct linvfs_file_vm_ops; - +#ifdef CONFIG_XFS_DMAPI +static struct vm_operations_struct linvfs_dmapi_file_vm_ops; +#endif STATIC inline ssize_t __linvfs_read( @@ -388,6 +390,14 @@ done: return -error; } +#ifdef CONFIG_XFS_DMAPI +STATIC void +linvfs_mmap_close( + struct vm_area_struct *vma) +{ + xfs_dm_mm_put(vma); +} +#endif /* CONFIG_XFS_DMAPI */ STATIC int linvfs_file_mmap( @@ -399,16 +409,19 @@ linvfs_file_mmap( vattr_t va = { .va_mask = XFS_AT_UPDATIME }; int error; + vma->vm_ops = &linvfs_file_vm_ops; + if (vp->v_vfsp->vfs_flag & VFS_DMI) { xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); error = -XFS_SEND_MMAP(mp, vma, 0); if (error) return error; +#ifdef CONFIG_XFS_DMAPI + vma->vm_ops = &linvfs_dmapi_file_vm_ops; +#endif } - vma->vm_ops = &linvfs_file_vm_ops; - VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error); if (!error) vn_revalidate(vp); /* update Linux inode flags */ @@ -609,7 +622,15 @@ struct file_operations linvfs_dir_operations = { static struct vm_operations_struct linvfs_file_vm_ops = { .nopage = filemap_nopage, .populate = filemap_populate, +}; + +#ifdef CONFIG_XFS_DMAPI +static struct vm_operations_struct linvfs_dmapi_file_vm_ops = { + .close = linvfs_mmap_close, + .nopage = filemap_nopage, + .populate = filemap_populate, #ifdef HAVE_VMOP_MPROTECT .mprotect = linvfs_mprotect, #endif }; +#endif /* CONFIG_XFS_DMAPI */ diff --git a/fs/xfs/xfs_dmapi.h b/fs/xfs/xfs_dmapi.h index 55ae3e67d24..16cf9f7a478 100644 --- a/fs/xfs/xfs_dmapi.h +++ b/fs/xfs/xfs_dmapi.h @@ -209,4 +209,8 @@ void xfs_dm_exit(struct file_system_type *); #define XFS_DM_EXIT(fstype) #endif +#define HAVE_XFS_DM_MM +int xfs_dm_mm_get(struct vm_area_struct *vma); +void xfs_dm_mm_put(struct vm_area_struct *vma); + #endif /* __XFS_DMAPI_H__ */ |