diff options
Diffstat (limited to 'fs/gfs2/glops.c')
-rw-r--r-- | fs/gfs2/glops.c | 93 |
1 files changed, 24 insertions, 69 deletions
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 60561ca070c2..b068d10bcb6e 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -107,70 +107,6 @@ static void gfs2_pte_inval(struct gfs2_glock *gl) } /** - * gfs2_page_inval - Invalidate all pages associated with a glock - * @gl: the glock - * - */ - -static void gfs2_page_inval(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip; - struct inode *inode; - - ip = gl->gl_object; - inode = &ip->i_inode; - if (!ip || !S_ISREG(inode->i_mode)) - return; - - truncate_inode_pages(inode->i_mapping, 0); - gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !inode->i_mapping->nrpages); - clear_bit(GIF_PAGED, &ip->i_flags); -} - -/** - * gfs2_page_wait - Wait for writeback of data - * @gl: the glock - * - * Syncs data (not metadata) for a regular file. - * No-op for all other types. - */ - -static void gfs2_page_wait(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip = gl->gl_object; - struct inode *inode = &ip->i_inode; - struct address_space *mapping = inode->i_mapping; - int error; - - if (!S_ISREG(inode->i_mode)) - return; - - error = filemap_fdatawait(mapping); - - /* Put back any errors cleared by filemap_fdatawait() - so they can be caught by someone who can pass them - up to user space. */ - - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else if (error) - set_bit(AS_EIO, &mapping->flags); - -} - -static void gfs2_page_writeback(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip = gl->gl_object; - struct inode *inode = &ip->i_inode; - struct address_space *mapping = inode->i_mapping; - - if (!S_ISREG(inode->i_mode)) - return; - - filemap_fdatawrite(mapping); -} - -/** * meta_go_sync - sync out the metadata for this glock * @gl: the glock * @@ -264,11 +200,24 @@ static void inode_go_drop_th(struct gfs2_glock *gl) static void inode_go_sync(struct gfs2_glock *gl) { + struct gfs2_inode *ip = gl->gl_object; + + if (ip && !S_ISREG(ip->i_inode.i_mode)) + ip = NULL; + if (test_bit(GLF_DIRTY, &gl->gl_flags)) { - gfs2_page_writeback(gl); gfs2_log_flush(gl->gl_sbd, gl); + if (ip) + filemap_fdatawrite(ip->i_inode.i_mapping); gfs2_meta_sync(gl); - gfs2_page_wait(gl); + if (ip) { + struct address_space *mapping = ip->i_inode.i_mapping; + int error = filemap_fdatawait(mapping); + if (error == -ENOSPC) + set_bit(AS_ENOSPC, &mapping->flags); + else if (error) + set_bit(AS_EIO, &mapping->flags); + } clear_bit(GLF_DIRTY, &gl->gl_flags); gfs2_ail_empty_gl(gl); } @@ -283,14 +232,20 @@ static void inode_go_sync(struct gfs2_glock *gl) static void inode_go_inval(struct gfs2_glock *gl, int flags) { + struct gfs2_inode *ip = gl->gl_object; int meta = (flags & DIO_METADATA); if (meta) { - struct gfs2_inode *ip = gl->gl_object; gfs2_meta_inval(gl); - set_bit(GIF_INVALID, &ip->i_flags); + if (ip) + set_bit(GIF_INVALID, &ip->i_flags); + } + + if (ip && S_ISREG(ip->i_inode.i_mode)) { + truncate_inode_pages(ip->i_inode.i_mapping, 0); + gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !ip->i_inode.i_mapping->nrpages); + clear_bit(GIF_PAGED, &ip->i_flags); } - gfs2_page_inval(gl); } /** |