X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=fs%2Fgfs2%2Ffile.c;h=ad0dc38d87ab74dd7695a74b683a2baf7d3620d3;hb=912af52f31e7debfeb19c024c8280900a3c4e1a2;hp=acd16764b133aa896bac5bea77a9bb481e07c74c;hpb=88b0357dde1c2721a64268e4601d1c2dec1158b0;p=~andy%2Flinux diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index acd16764b13..ad0dc38d87a 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -402,16 +402,20 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) /* Update file times before taking page lock */ file_update_time(vma->vm_file); + ret = get_write_access(inode); + if (ret) + goto out; + ret = gfs2_rs_alloc(ip); if (ret) - return ret; + goto out_write_access; gfs2_size_hint(vma->vm_file, pos, PAGE_CACHE_SIZE); gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); ret = gfs2_glock_nq(&gh); if (ret) - goto out; + goto out_uninit; set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); set_bit(GIF_SW_PAGED, &ip->i_flags); @@ -480,12 +484,15 @@ out_quota_unlock: gfs2_quota_unlock(ip); out_unlock: gfs2_glock_dq(&gh); -out: +out_uninit: gfs2_holder_uninit(&gh); if (ret == 0) { set_page_dirty(page); wait_for_stable_page(page); } +out_write_access: + put_write_access(inode); +out: sb_end_pagefault(inode->i_sb); return block_page_mkwrite_return(ret); } @@ -594,10 +601,10 @@ static int gfs2_release(struct inode *inode, struct file *file) kfree(file->private_data); file->private_data = NULL; - if ((file->f_mode & FMODE_WRITE) && - (atomic_read(&inode->i_writecount) == 1)) - gfs2_rs_delete(ip); + if (!(file->f_mode & FMODE_WRITE)) + return 0; + gfs2_rs_delete(ip); return 0; }