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author | Jens Axboe <jens.axboe@oracle.com> | 2010-02-22 13:48:51 +0100 |
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committer | Jens Axboe <jens.axboe@oracle.com> | 2010-02-22 13:48:51 +0100 |
commit | f11cbd74c5ff3614f6390b4de67a6ffdc614c378 (patch) | |
tree | 6a30920ade9eeaac5bf6d6263b5d09712e882eb0 /fs/ramfs/file-nommu.c | |
parent | 429c42c9d246f5bda868495c09974312a0177328 (diff) | |
parent | aea187c46f7d03ce985e55eb1398d0776a15b928 (diff) | |
download | talos-op-linux-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.tar.gz talos-op-linux-f11cbd74c5ff3614f6390b4de67a6ffdc614c378.zip |
Merge branch 'master' into for-2.6.34
Diffstat (limited to 'fs/ramfs/file-nommu.c')
-rw-r--r-- | fs/ramfs/file-nommu.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index 2efc57173fd7..1739a4aba25f 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -123,30 +123,6 @@ add_error: /*****************************************************************************/ /* - * check that file shrinkage doesn't leave any VMAs dangling in midair - */ -static int ramfs_nommu_check_mappings(struct inode *inode, - size_t newsize, size_t size) -{ - struct vm_area_struct *vma; - struct prio_tree_iter iter; - - /* search for VMAs that fall within the dead zone */ - vma_prio_tree_foreach(vma, &iter, &inode->i_mapping->i_mmap, - newsize >> PAGE_SHIFT, - (size + PAGE_SIZE - 1) >> PAGE_SHIFT - ) { - /* found one - only interested if it's shared out of the page - * cache */ - if (vma->vm_flags & VM_SHARED) - return -ETXTBSY; /* not quite true, but near enough */ - } - - return 0; -} - -/*****************************************************************************/ -/* * */ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size) @@ -164,7 +140,7 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size) /* check that a decrease in size doesn't cut off any shared mappings */ if (newsize < size) { - ret = ramfs_nommu_check_mappings(inode, newsize, size); + ret = nommu_shrink_inode_mappings(inode, size, newsize); if (ret < 0) return ret; } |